31,337
31337 spells 'eleet' in leetspeak and was the Back Orifice trojan's default port.
- Odd
- Prime
Where 31,337 fits
Why 31,337 is special
The number is the clearest single artefact of 1990s hacker culture: a numeric pun that became a port, a version number and a joke that outlived the software. Back Orifice itself was released in 1998 as a deliberate embarrassment to Microsoft.
31,337 is part of
Factors & digit properties
- Divisors (2)
- 1, 31337
- Prime factorisation
- 31337
- Digit sum
- 17
- Digital root
- 8
Representations
- Decimal
- 31337
- Binary
- 111101001101001
- Octal
- 75151
- Hexadecimal
- 7a69
- Scientific notation
- 3.134 × 10^4
Other mathematical patterns
- Deficient number
Related numbers & connections
Two artefacts of early phone and computer hacking culture: the tone that unlocked long-distance trunks, and the numeric pun that became a trojan's default port.
View 2600 →Culture
31337 renders 'eleet' in letter-for-digit substitution and was chosen as the Back Orifice default for that reason. It survives in port numbers, version strings and jokes long after the tool and the bulletin-board culture that produced it.
DocumentedCultureCulture: 1990s internet and hacker culture
Common questions
Is 31,337 a prime number?
Yes, 31,337 is prime — it has exactly two positive divisors: 1 and itself.
What are the factors of 31,337?
The factors of 31,337 are 1, 31337.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 1 reviewer-confirmed record, sourced and reviewed before publication.
Last reviewed: 3 August 2026