632551130556231 has 32 divisors (see below), whose sum is σ = 872461843580160. Its totient is φ = 407418603381504.

The previous prime is 632551130556211. The next prime is 632551130556281. The reversal of 632551130556231 is 132655031155236.

It is not a de Polignac number, because 632551130556231 - 2⁶ = 632551130556167 is a prime.

It is a super-2 number, since 2×632551130556231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632551130556211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17958400 + ... + 39844778.

It is an arithmetic number, because the mean of its divisors is an integer number (27264432611880).

Almost surely, 2^{632551130556231} is an apocalyptic number.

632551130556231 is a deficient number, since it is larger than the sum of its proper divisors (239910713023929).

632551130556231 is a wasteful number, since it uses less digits than its factorization.

632551130556231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21889215.

The product of its (nonzero) digits is 2430000, while the sum is 48.

The spelling of 632551130556231 in words is "six hundred thirty-two trillion, five hundred fifty-one billion, one hundred thirty million, five hundred fifty-six thousand, two hundred thirty-one".