311945196460 has 24 divisors (see below), whose sum is σ = 655132196880. Its totient is φ = 124769072064.

The previous prime is 311945196377. The next prime is 311945196499. The reversal of 311945196460 is 64691549113.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275314 + ... + 836473.

It is an arithmetic number, because the mean of its divisors is an integer number (27297174870).

Almost surely, 2^311945196460 is an apocalyptic number.

It is an amenable number.

311945196460 is an abundant number, since it is smaller than the sum of its proper divisors (343187000420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311945196460 is a wasteful number, since it uses less digits than its factorization.

311945196460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125825 (or 1125823 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 311945196460 in words is "three hundred eleven billion, nine hundred forty-five million, one hundred ninety-six thousand, four hundred sixty".