631888826312 has 32 divisors (see below), whose sum is σ = 1276152477600. Its totient is φ = 292354925184.

The previous prime is 631888826299. The next prime is 631888826321. The reversal of 631888826312 is 213628888136.

It is a happy number.

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, 48332573 + ... + 48345644.

It is an arithmetic number, because the mean of its divisors is an integer number (39879764925).

Almost surely, 2^631888826312 is an apocalyptic number.

It is an amenable number.

631888826312 is an abundant number, since it is smaller than the sum of its proper divisors (644263651288).

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

631888826312 is a wasteful number, since it uses less digits than its factorization.

631888826312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96678285 (or 96678281 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 56.

The spelling of 631888826312 in words is "six hundred thirty-one billion, eight hundred eighty-eight million, eight hundred twenty-six thousand, three hundred twelve".