631320132575 has 24 divisors (see below), whose sum is σ = 862808162160. Its totient is φ = 454408473600.

The previous prime is 631320132539. The next prime is 631320132587. The reversal of 631320132575 is 575231023136.

It is not a de Polignac number, because 631320132575 - 2¹⁰ = 631320131551 is a prime.

It is a super-2 number, since 2×631320132575² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11806880 + ... + 11860229.

It is an arithmetic number, because the mean of its divisors is an integer number (35950340090).

Almost surely, 2^631320132575 is an apocalyptic number.

631320132575 is a deficient number, since it is larger than the sum of its proper divisors (231488029585).

631320132575 is a wasteful number, since it uses less digits than its factorization.

631320132575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23667227 (or 23667222 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 38.

The spelling of 631320132575 in words is "six hundred thirty-one billion, three hundred twenty million, one hundred thirty-two thousand, five hundred seventy-five".