312133021032 has 64 divisors (see below), whose sum is σ = 891946782720. Its totient is φ = 89167048128.

The previous prime is 312133020919. The next prime is 312133021073. The reversal of 312133021032 is 230120331213.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 969373 + ... + 1250579.

It is an arithmetic number, because the mean of its divisors is an integer number (13936668480).

Almost surely, 2^312133021032 is an apocalyptic number.

It is an amenable number.

312133021032 is an abundant number, since it is smaller than the sum of its proper divisors (579813761688).

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

312133021032 is a wasteful number, since it uses less digits than its factorization.

312133021032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287830 (or 287826 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 312133021032 its reverse (230120331213), we get a palindrome (542253352245).

The spelling of 312133021032 in words is "three hundred twelve billion, one hundred thirty-three million, twenty-one thousand, thirty-two".