311057072008 has 16 divisors (see below), whose sum is σ = 617539775580. Its totient is φ = 146379798528.

The previous prime is 311057071993. The next prime is 311057072033. The reversal of 311057072008 is 800270750113.

It can be written as a sum of positive squares in 2 ways, for example, as 310741583364 + 315488644 = 557442^2 + 17762^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 1143592041 + ... + 1143592312.

Almost surely, 2^311057072008 is an apocalyptic number.

It is an amenable number.

311057072008 is a deficient number, since it is larger than the sum of its proper divisors (306482703572).

311057072008 is a wasteful number, since it uses less digits than its factorization.

311057072008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287184376 (or 2287184372 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 311057072008 in words is "three hundred eleven billion, fifty-seven million, seventy-two thousand, eight".