631308312572 has 24 divisors (see below), whose sum is σ = 1263218275200. Its totient is φ = 270431780400.

The previous prime is 631308312571. The next prime is 631308312589. The reversal of 631308312572 is 275213803136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631308312571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5312054 + ... + 5429597.

It is an arithmetic number, because the mean of its divisors is an integer number (52634094800).

Almost surely, 2^631308312572 is an apocalyptic number.

It is an amenable number.

631308312572 is an abundant number, since it is smaller than the sum of its proper divisors (631909962628).

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

631308312572 is a wasteful number, since it uses less digits than its factorization.

631308312572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10743761 (or 10743759 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 631308312572 in words is "six hundred thirty-one billion, three hundred eight million, three hundred twelve thousand, five hundred seventy-two".