631607012 has 12 divisors (see below), whose sum is σ = 1117732140. Its totient is φ = 312254976.

The previous prime is 631607003. The next prime is 631607027. The reversal of 631607012 is 210706136.

631607012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 181063936 + 450543076 = 13456^2 + 21226^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886733 + ... + 887444.

It is an arithmetic number, because the mean of its divisors is an integer number (93144345).

Almost surely, 2^631607012 is an apocalyptic number.

It is an amenable number.

631607012 is a deficient number, since it is larger than the sum of its proper divisors (486125128).

631607012 is a wasteful number, since it uses less digits than its factorization.

631607012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774270 (or 1774268 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 631607012 is about 25131.7928528786. The cubic root of 631607012 is about 857.9901741783.

The spelling of 631607012 in words is "six hundred thirty-one million, six hundred seven thousand, twelve".