113431413 has 4 divisors (see below), whose sum is σ = 151241888. Its totient is φ = 75620940.

The previous prime is 113431399. The next prime is 113431427. The reversal of 113431413 is 314134311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (113431399) and next prime (113431427).

It is not a de Polignac number, because 113431413 - 2⁴ = 113431397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113431413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113431013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18905233 + ... + 18905238.

It is an arithmetic number, because the mean of its divisors is an integer number (37810472).

Almost surely, 2^113431413 is an apocalyptic number.

It is an amenable number.

113431413 is a deficient number, since it is larger than the sum of its proper divisors (37810475).

113431413 is an equidigital number, since it uses as much as digits as its factorization.

113431413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37810474.

The product of its digits is 432, while the sum is 21.

The square root of 113431413 is about 10650.4184424838. The cubic root of 113431413 is about 484.0732833620.

Adding to 113431413 its reverse (314134311), we get a palindrome (427565724).

The spelling of 113431413 in words is "one hundred thirteen million, four hundred thirty-one thousand, four hundred thirteen".