631996292 has 12 divisors (see below), whose sum is σ = 1107617616. Its totient is φ = 315534120.

The previous prime is 631996247. The next prime is 631996307. The reversal of 631996292 is 292699136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112934 + ... + 118397.

It is an arithmetic number, because the mean of its divisors is an integer number (92301468).

Almost surely, 2^631996292 is an apocalyptic number.

It is an amenable number.

631996292 is a deficient number, since it is larger than the sum of its proper divisors (475621324).

631996292 is a wasteful number, since it uses less digits than its factorization.

631996292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232018 (or 232016 counting only the distinct ones).

The product of its digits is 314928, while the sum is 47.

The square root of 631996292 is about 25139.5364316847. The cubic root of 631996292 is about 858.1664070859.

The spelling of 631996292 in words is "six hundred thirty-one million, nine hundred ninety-six thousand, two hundred ninety-two".