312640324312 has 32 divisors (see below), whose sum is σ = 605218320000. Its totient is φ = 151250572800.

The previous prime is 312640324303. The next prime is 312640324327. The reversal of 312640324312 is 213423046213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1316112 + ... + 1535392.

It is an arithmetic number, because the mean of its divisors is an integer number (18913072500).

Almost surely, 2^312640324312 is an apocalyptic number.

It is an amenable number.

312640324312 is a deficient number, since it is larger than the sum of its proper divisors (292577995688).

312640324312 is a wasteful number, since it uses less digits than its factorization.

312640324312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225067 (or 225063 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 312640324312 in words is "three hundred twelve billion, six hundred forty million, three hundred twenty-four thousand, three hundred twelve".