113431020432 has 40 divisors (see below), whose sum is σ = 294896589696. Its totient is φ = 37569507456.

The previous prime is 113431020397. The next prime is 113431020457. The reversal of 113431020432 is 234020134311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7518408 + ... + 7533479.

Almost surely, 2^113431020432 is an apocalyptic number.

113431020432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113431020432 is an abundant number, since it is smaller than the sum of its proper divisors (181465569264).

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

113431020432 is a wasteful number, since it uses less digits than its factorization.

113431020432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15052055 (or 15052049 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 113431020432 its reverse (234020134311), we get a palindrome (347451154743).

The spelling of 113431020432 in words is "one hundred thirteen billion, four hundred thirty-one million, twenty thousand, four hundred thirty-two".