Next prime | 311 |

Previous prime | 293 |

Octal | (463)_{8} |

Hexadecimal | (133)_{16} |

Prime gap | 4 |

18th Prime triplet (the smallest number) | The others are 311 and 313 . |

18th Cousin prime (the small number) | The big number is 311 . |

35th Sexy prime (the small number) | The big number is 313 . |

29th Prime of the Form 3n+1 | 8^{2} + 3 * 9^{2} |

33rd Prime of the Form 4n+3 |