311377533512 has 32 divisors (see below), whose sum is σ = 606557273400. Its totient is φ = 149675011584.

The previous prime is 311377533497. The next prime is 311377533529. The reversal of 311377533512 is 215335773113.

It can be written as a sum of positive squares in 4 ways, for example, as 181412957476 + 129964576036 = 425926^2 + 360506^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 311377533512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2826083 + ... + 2934194.

Almost surely, 2^311377533512 is an apocalyptic number.

It is an amenable number.

311377533512 is a deficient number, since it is larger than the sum of its proper divisors (295179739888).

311377533512 is a wasteful number, since it uses less digits than its factorization.

311377533512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5760545 (or 5760541 counting only the distinct ones).

The product of its digits is 198450, while the sum is 41.

The spelling of 311377533512 in words is "three hundred eleven billion, three hundred seventy-seven million, five hundred thirty-three thousand, five hundred twelve".