113431113045 has 32 divisors (see below), whose sum is σ = 201693667200. Its totient is φ = 60485087232.

The previous prime is 113431113041. The next prime is 113431113067. The reversal of 113431113045 is 540311134311.

113431113045 is a `hidden beast` number, since 1 + 1 + 343 + 1 + 11 + 304 + 5 = 666.

It is not a de Polignac number, because 113431113045 - 2² = 113431113041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113431113041) 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, 657621 + ... + 811989.

It is an arithmetic number, because the mean of its divisors is an integer number (6302927100).

Almost surely, 2^113431113045 is an apocalyptic number.

113431113045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113431113045 is a deficient number, since it is larger than the sum of its proper divisors (88262554155).

113431113045 is a wasteful number, since it uses less digits than its factorization.

113431113045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159826 (or 159820 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 113431113045 its reverse (540311134311), we get a palindrome (653742247356).

The spelling of 113431113045 in words is "one hundred thirteen billion, four hundred thirty-one million, one hundred thirteen thousand, forty-five".