113003831 has 4 divisors (see below), whose sum is σ = 115760064. Its totient is φ = 110247600.

The previous prime is 113003789. The next prime is 113003833. The reversal of 113003831 is 138300311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113003831 - 2²⁶ = 45894967 is a prime.

It is a super-2 number, since 2×113003831² = 25539731641353122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113003833) 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, 1378055 + ... + 1378136.

It is an arithmetic number, because the mean of its divisors is an integer number (28940016).

Almost surely, 2^113003831 is an apocalyptic number.

113003831 is a deficient number, since it is larger than the sum of its proper divisors (2756233).

113003831 is an equidigital number, since it uses as much as digits as its factorization.

113003831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756232.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 113003831 is about 10630.3260062897. The cubic root of 113003831 is about 483.4642761618.

The spelling of 113003831 in words is "one hundred thirteen million, three thousand, eight hundred thirty-one".