311199122064 has 40 divisors (see below), whose sum is σ = 804218428512. Its totient is φ = 103695961600.

The previous prime is 311199122057. The next prime is 311199122081. The reversal of 311199122064 is 460221991113.

It is a hoax number, since the sum of its digits (39) 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, 1022874 + ... + 1291769.

Almost surely, 2^311199122064 is an apocalyptic number.

It is an amenable number.

311199122064 is an abundant number, since it is smaller than the sum of its proper divisors (493019306448).

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

311199122064 is a wasteful number, since it uses less digits than its factorization.

311199122064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317455 (or 2317449 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 311199122064 in words is "three hundred eleven billion, one hundred ninety-nine million, one hundred twenty-two thousand, sixty-four".