312331012 has 24 divisors (see below), whose sum is σ = 625037504. Its totient is φ = 133775712.

The previous prime is 312331009. The next prime is 312331037. The reversal of 312331012 is 210133213.

312331012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×312331012² = 195101322113888288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84058 + ... + 87694.

Almost surely, 2^312331012 is an apocalyptic number.

It is an amenable number.

312331012 is an abundant number, since it is smaller than the sum of its proper divisors (312706492).

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

312331012 is a wasteful number, since it uses less digits than its factorization.

312331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715 (or 6713 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 312331012 is about 17672.8891808895. The cubic root of 312331012 is about 678.4820610255.

Adding to 312331012 its reverse (210133213), we get a palindrome (522464225).

The spelling of 312331012 in words is "three hundred twelve million, three hundred thirty-one thousand, twelve".