631662531882 has 8 divisors (see below), whose sum is σ = 1263325063776. Its totient is φ = 210554177292.

The previous prime is 631662531859. The next prime is 631662531883. The reversal of 631662531882 is 288135266136.

It is a sphenic number, since it is the product of 3 distinct primes.

631662531882 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (631662531883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52638544318 + ... + 52638544329.

It is an arithmetic number, because the mean of its divisors is an integer number (157915632972).

Almost surely, 2^631662531882 is an apocalyptic number.

631662531882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

631662531882 is a wasteful number, since it uses less digits than its factorization.

631662531882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105277088652.

The product of its digits is 2488320, while the sum is 51.

The spelling of 631662531882 in words is "six hundred thirty-one billion, six hundred sixty-two million, five hundred thirty-one thousand, eight hundred eighty-two".