31625601643112 has 32 divisors (see below), whose sum is σ = 59577452830920. Its totient is φ = 15738455208960.

The previous prime is 31625601643109. The next prime is 31625601643187. The reversal of 31625601643112 is 21134610652613.

It can be written as a sum of positive squares in 4 ways, for example, as 30924654268036 + 700947375076 = 5560994^2 + 837226^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31625601643112.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9443189 + ... + 12346052.

Almost surely, 2^{31625601643112} is an apocalyptic number.

It is an amenable number.

31625601643112 is a deficient number, since it is larger than the sum of its proper divisors (27951851187808).

31625601643112 is a wasteful number, since it uses less digits than its factorization.

31625601643112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21790101 (or 21790097 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 31625601643112 in words is "thirty-one trillion, six hundred twenty-five billion, six hundred one million, six hundred forty-three thousand, one hundred twelve".