631353712 has 20 divisors (see below), whose sum is σ = 1334452536. Its totient is φ = 286978880.

The previous prime is 631353691. The next prime is 631353731. The reversal of 631353712 is 217353136.

It is a congruent number.

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, 1793443 + ... + 1793794.

Almost surely, 2^631353712 is an apocalyptic number.

It is an amenable number.

631353712 is an abundant number, since it is smaller than the sum of its proper divisors (703098824).

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

631353712 is a wasteful number, since it uses less digits than its factorization.

631353712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587256 (or 3587250 counting only the distinct ones).

The product of its digits is 11340, while the sum is 31.

The square root of 631353712 is about 25126.7529139760. The cubic root of 631353712 is about 857.8754625692.

It can be divided in two parts, 6313 and 53712, that added together give a square (60025 = 245²).

The spelling of 631353712 in words is "six hundred thirty-one million, three hundred fifty-three thousand, seven hundred twelve".