311396173964 has 12 divisors (see below), whose sum is σ = 544947387264. Its totient is φ = 155696920464.

The previous prime is 311396173951. The next prime is 311396173967. The reversal of 311396173964 is 469371693113.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (311396173967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638894 + ... + 1015370.

It is an arithmetic number, because the mean of its divisors is an integer number (45412282272).

Almost surely, 2^311396173964 is an apocalyptic number.

It is an amenable number.

311396173964 is a deficient number, since it is larger than the sum of its proper divisors (233551213300).

311396173964 is a wasteful number, since it uses less digits than its factorization.

311396173964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583264 (or 583262 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 53.

The spelling of 311396173964 in words is "three hundred eleven billion, three hundred ninety-six million, one hundred seventy-three thousand, nine hundred sixty-four".