311877695420 has 48 divisors (see below), whose sum is σ = 676325395200. Its totient is φ = 120681308160.

The previous prime is 311877695401. The next prime is 311877695429. The reversal of 311877695420 is 24596778113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311877695429) 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, 1573646 + ... + 1760714.

It is an arithmetic number, because the mean of its divisors is an integer number (14090112400).

It is a 1-persistent number, because it is pandigital, but 2⋅311877695420 = 623755390840 is not.

Almost surely, 2^311877695420 is an apocalyptic number.

It is an amenable number.

311877695420 is an abundant number, since it is smaller than the sum of its proper divisors (364447699780).

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

311877695420 is a wasteful number, since it uses less digits than its factorization.

311877695420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189798 (or 189796 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 311877695420 in words is "three hundred eleven billion, eight hundred seventy-seven million, six hundred ninety-five thousand, four hundred twenty".