13415473431 has 24 divisors (see below), whose sum is σ = 20949097520. Its totient is φ = 8243928576.

The previous prime is 13415473427. The next prime is 13415473447. The reversal of 13415473431 is 13437451431.

13415473431 is a `hidden beast` number, since 1 + 3 + 4 + 154 + 73 + 431 = 666.

It is not a de Polignac number, because 13415473431 - 2² = 13415473427 is a prime.

It is a super-2 number, since 2×13415473431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13415473411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1053850 + ... + 1066503.

Almost surely, 2^13415473431 is an apocalyptic number.

13415473431 is a deficient number, since it is larger than the sum of its proper divisors (7533624089).

13415473431 is a wasteful number, since it uses less digits than its factorization.

13415473431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120415 (or 2120412 counting only the distinct ones).

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

The spelling of 13415473431 in words is "thirteen billion, four hundred fifteen million, four hundred seventy-three thousand, four hundred thirty-one".