312051579988 has 24 divisors (see below), whose sum is σ = 551265397760. Its totient is φ = 154548038880.

The previous prime is 312051579929. The next prime is 312051579989. The reversal of 312051579988 is 889975150213.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312051579989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1372945 + ... + 1584007.

Almost surely, 2^312051579988 is an apocalyptic number.

It is an amenable number.

312051579988 is a deficient number, since it is larger than the sum of its proper divisors (239213817772).

312051579988 is a wasteful number, since it uses less digits than its factorization.

312051579988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214567 (or 214565 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 58.

The spelling of 312051579988 in words is "three hundred twelve billion, fifty-one million, five hundred seventy-nine thousand, nine hundred eighty-eight".