313110311312 has 20 divisors (see below), whose sum is σ = 606689139276. Its totient is φ = 156545372160.

The previous prime is 313110311309. The next prime is 313110311333. The reversal of 313110311312 is 213113011313.

It can be written as a sum of positive squares in 2 ways, for example, as 158050773136 + 155059538176 = 397556^2 + 393776^2 .

It is a super-2 number, since 2×313110311312² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343889 + ... + 862832.

Almost surely, 2^313110311312 is an apocalyptic number.

It is an amenable number.

313110311312 is a deficient number, since it is larger than the sum of its proper divisors (293578827964).

313110311312 is a wasteful number, since it uses less digits than its factorization.

313110311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222946 (or 1222940 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 313110311312 its reverse (213113011313), we get a palindrome (526223322625).

The spelling of 313110311312 in words is "three hundred thirteen billion, one hundred ten million, three hundred eleven thousand, three hundred twelve".