311131100119 has 4 divisors (see below), whose sum is σ = 355578400144. Its totient is φ = 266683800096.

The previous prime is 311131100107. The next prime is 311131100149. The reversal of 311131100119 is 911001131113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 911001131113 = 23 ⋅39608744831.

It is not a de Polignac number, because 311131100119 - 2⁷ = 311131099991 is a prime.

It is a super-2 number, since 2×311131100119² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311131100119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311131100149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22223650002 + ... + 22223650015.

It is an arithmetic number, because the mean of its divisors is an integer number (88894600036).

Almost surely, 2^311131100119 is an apocalyptic number.

311131100119 is a deficient number, since it is larger than the sum of its proper divisors (44447300025).

311131100119 is an equidigital number, since it uses as much as digits as its factorization.

311131100119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44447300024.

The product of its (nonzero) digits is 81, while the sum is 22.

The spelling of 311131100119 in words is "three hundred eleven billion, one hundred thirty-one million, one hundred thousand, one hundred nineteen".