31614636164 has 12 divisors (see below), whose sum is σ = 56232590988. Its totient is φ = 15548181600.

The previous prime is 31614636107. The next prime is 31614636253. The reversal of 31614636164 is 46163641613.

It can be written as a sum of positive squares in 2 ways, for example, as 9099633664 + 22515002500 = 95392^2 + 150050^2 .

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 3 ways as a sum of consecutive naturals, for example, 64783847 + ... + 64784334.

It is an arithmetic number, because the mean of its divisors is an integer number (4686049249).

Almost surely, 2^31614636164 is an apocalyptic number.

It is an amenable number.

31614636164 is a deficient number, since it is larger than the sum of its proper divisors (24617954824).

31614636164 is a wasteful number, since it uses less digits than its factorization.

31614636164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129568246 (or 129568244 counting only the distinct ones).

The product of its digits is 186624, while the sum is 41.

The spelling of 31614636164 in words is "thirty-one billion, six hundred fourteen million, six hundred thirty-six thousand, one hundred sixty-four".