31612340057 has 12 divisors (see below), whose sum is σ = 32847790320. Its totient is φ = 30416196888.

The previous prime is 31612340027. The next prime is 31612340083. The reversal of 31612340057 is 75004321613.

It is not a de Polignac number, because 31612340057 - 2²² = 31608145753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31612340027) 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 11 ways as a sum of consecutive naturals, for example, 3707 + ... + 251472.

It is an arithmetic number, because the mean of its divisors is an integer number (2737315860).

Almost surely, 2^31612340057 is an apocalyptic number.

It is an amenable number.

31612340057 is a deficient number, since it is larger than the sum of its proper divisors (1235450263).

31612340057 is an equidigital number, since it uses as much as digits as its factorization.

31612340057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255332 (or 255289 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 31612340057 in words is "thirty-one billion, six hundred twelve million, three hundred forty thousand, fifty-seven".