313111013031 has 12 divisors (see below), whose sum is σ = 452336192152. Its totient is φ = 208710800496.

The previous prime is 313111013021. The next prime is 313111013051. The reversal of 313111013031 is 130310111313.

It is not a de Polignac number, because 313111013031 - 2²⁷ = 312976795303 is a prime.

It is a super-2 number, since 2×313111013031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313111012995 and 313111013013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313111013021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2423101 + ... + 2549046.

Almost surely, 2^313111013031 is an apocalyptic number.

313111013031 is a deficient number, since it is larger than the sum of its proper divisors (139225179121).

313111013031 is a wasteful number, since it uses less digits than its factorization.

313111013031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979150 (or 4979147 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 313111013031 its reverse (130310111313), we get a palindrome (443421124344).

The spelling of 313111013031 in words is "three hundred thirteen billion, one hundred eleven million, thirteen thousand, thirty-one".