113403231 has 6 divisors (see below), whose sum is σ = 163804680. Its totient is φ = 75602148.

The previous prime is 113403221. The next prime is 113403299. The reversal of 113403231 is 132304311.

113403231 is a `hidden beast` number, since 1 + 1 + 340 + 323 + 1 = 666.

It is not a de Polignac number, because 113403231 - 2⁶ = 113403167 is a prime.

It is a super-2 number, since 2×113403231² = 25720585602478722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113403211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6300171 + ... + 6300188.

It is an arithmetic number, because the mean of its divisors is an integer number (27300780).

Almost surely, 2^113403231 is an apocalyptic number.

113403231 is a deficient number, since it is larger than the sum of its proper divisors (50401449).

113403231 is a wasteful number, since it uses less digits than its factorization.

113403231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12600365 (or 12600362 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 113403231 is about 10649.0953136874. The cubic root of 113403231 is about 484.0331907548.

Adding to 113403231 its reverse (132304311), we get a palindrome (245707542).

The spelling of 113403231 in words is "one hundred thirteen million, four hundred three thousand, two hundred thirty-one".