311712761164 has 48 divisors (see below), whose sum is σ = 630877540608. Its totient is φ = 132003805248.

The previous prime is 311712761159. The next prime is 311712761167. The reversal of 311712761164 is 461167217113.

It is not an unprimeable number, because it can be changed into a prime (311712761167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592179 + ... + 986965.

It is an arithmetic number, because the mean of its divisors is an integer number (13143282096).

Almost surely, 2^311712761164 is an apocalyptic number.

It is an amenable number.

311712761164 is an abundant number, since it is smaller than the sum of its proper divisors (319164779444).

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

311712761164 is a wasteful number, since it uses less digits than its factorization.

311712761164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395134 (or 395132 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

Adding to 311712761164 its reverse (461167217113), we get a palindrome (772879978277).

The spelling of 311712761164 in words is "three hundred eleven billion, seven hundred twelve million, seven hundred sixty-one thousand, one hundred sixty-four".