113620331 has 6 divisors (see below), whose sum is σ = 124888596. Its totient is φ = 103291100.

The previous prime is 113620313. The next prime is 113620343. The reversal of 113620331 is 133026311.

It is a happy number.

It is not a de Polignac number, because 113620331 - 2⁶ = 113620267 is a prime.

It is a super-2 number, since 2×113620331² = 25819159233099122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113628331) 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, 469385 + ... + 469626.

It is an arithmetic number, because the mean of its divisors is an integer number (20814766).

Almost surely, 2^113620331 is an apocalyptic number.

113620331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113620331 is a deficient number, since it is larger than the sum of its proper divisors (11268265).

113620331 is an equidigital number, since it uses as much as digits as its factorization.

113620331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939033 (or 939022 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 113620331 is about 10659.2837939516. The cubic root of 113620331 is about 484.3418727868.

Adding to 113620331 its reverse (133026311), we get a palindrome (246646642).

The spelling of 113620331 in words is "one hundred thirteen million, six hundred twenty thousand, three hundred thirty-one".