312491610452 has 12 divisors (see below), whose sum is σ = 624983220960. Its totient is φ = 133924975896.

The previous prime is 312491610439. The next prime is 312491610479. The reversal of 312491610452 is 254016194213.

312491610452 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5580207302 + ... + 5580207357.

It is an arithmetic number, because the mean of its divisors is an integer number (52081935080).

Almost surely, 2^312491610452 is an apocalyptic number.

It is an amenable number.

312491610452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

312491610452 is a wasteful number, since it uses less digits than its factorization.

312491610452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11160414670 (or 11160414668 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 312491610452 in words is "three hundred twelve billion, four hundred ninety-one million, six hundred ten thousand, four hundred fifty-two".