313111013302931 has 2 divisors, whose sum is σ = 313111013302932. Its totient is φ = 313111013302930.

The previous prime is 313111013302859. The next prime is 313111013302943. The reversal of 313111013302931 is 139203310111313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313111013302931 is a prime.

It is a super-2 number, since 2×313111013302931² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313111013302991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156555506651465 + 156555506651466.

It is an arithmetic number, because the mean of its divisors is an integer number (156555506651466).

Almost surely, 2^{313111013302931} is an apocalyptic number.

313111013302931 is a deficient number, since it is larger than the sum of its proper divisors (1).

313111013302931 is an equidigital number, since it uses as much as digits as its factorization.

313111013302931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 32.

The spelling of 313111013302931 in words is "three hundred thirteen trillion, one hundred eleven billion, thirteen million, three hundred two thousand, nine hundred thirty-one".