113431263 has 16 divisors (see below), whose sum is σ = 170314752. Its totient is φ = 66528000.

The previous prime is 113431231. The next prime is 113431303. The reversal of 113431263 is 362134311.

It is a happy number.

It is not a de Polignac number, because 113431263 - 2⁵ = 113431231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113431363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54418 + ... + 56463.

It is an arithmetic number, because the mean of its divisors is an integer number (10644672).

Almost surely, 2^113431263 is an apocalyptic number.

113431263 is a deficient number, since it is larger than the sum of its proper divisors (56883489).

113431263 is a wasteful number, since it uses less digits than its factorization.

113431263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110926.

The product of its digits is 1296, while the sum is 24.

The square root of 113431263 is about 10650.4114005047. The cubic root of 113431263 is about 484.0730699848.

Adding to 113431263 its reverse (362134311), we get a palindrome (475565574).

The spelling of 113431263 in words is "one hundred thirteen million, four hundred thirty-one thousand, two hundred sixty-three".