63215472231 has 12 divisors (see below), whose sum is σ = 91351510120. Its totient is φ = 42125060880.

The previous prime is 63215472217. The next prime is 63215472253. The reversal of 63215472231 is 13227451236.

63215472231 is a `hidden beast` number, since 63 + 2 + 1 + 547 + 22 + 31 = 666.

It is not a de Polignac number, because 63215472231 - 2⁶ = 63215472167 is a prime.

It is a super-2 number, since 2×63215472231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63215470231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1527385 + ... + 1568226.

Almost surely, 2^63215472231 is an apocalyptic number.

63215472231 is a deficient number, since it is larger than the sum of its proper divisors (28136037889).

63215472231 is a wasteful number, since it uses less digits than its factorization.

63215472231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097886 (or 3097883 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The spelling of 63215472231 in words is "sixty-three billion, two hundred fifteen million, four hundred seventy-two thousand, two hundred thirty-one".