431560423116 has 18 divisors (see below), whose sum is σ = 1090888847412. Its totient is φ = 143853474360.

The previous prime is 431560423109. The next prime is 431560423169. The reversal of 431560423116 is 611324065134.

431560423116 is a `hidden beast` number, since 4 + 3 + 1 + 5 + 604 + 2 + 31 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 11987789531 = 431560423116 / (4 + 3 + 1 + 5 + 6 + 0 + 4 + 2 + 3 + 1 + 1 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5993894730 + ... + 5993894801.

Almost surely, 2^431560423116 is an apocalyptic number.

It is an amenable number.

431560423116 is an abundant number, since it is smaller than the sum of its proper divisors (659328424296).

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

431560423116 is a wasteful number, since it uses less digits than its factorization.

431560423116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11987789541 (or 11987789536 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 431560423116 in words is "four hundred thirty-one billion, five hundred sixty million, four hundred twenty-three thousand, one hundred sixteen".