313531306113 has 16 divisors (see below), whose sum is σ = 426020523840. Its totient is φ = 205033168704.

The previous prime is 313531306093. The next prime is 313531306117. The reversal of 313531306113 is 311603135313.

It is not a de Polignac number, because 313531306113 - 2²⁴ = 313514528897 is a prime.

It is a super-2 number, since 2×313531306113² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (313531306117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542203 + ... + 959711.

It is an arithmetic number, because the mean of its divisors is an integer number (26626282740).

Almost surely, 2^313531306113 is an apocalyptic number.

It is an amenable number.

313531306113 is a deficient number, since it is larger than the sum of its proper divisors (112489217727).

313531306113 is a wasteful number, since it uses less digits than its factorization.

313531306113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422288.

The product of its (nonzero) digits is 7290, while the sum is 30.

The spelling of 313531306113 in words is "three hundred thirteen billion, five hundred thirty-one million, three hundred six thousand, one hundred thirteen".