113420331 has 10 divisors (see below), whose sum is σ = 169430492. Its totient is φ = 75613500.

The previous prime is 113420327. The next prime is 113420339. The reversal of 113420331 is 133024311.

It is not a de Polignac number, because 113420331 - 2² = 113420327 is a prime.

It is a super-2 number, since 2×113420331² = 25728342968299122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113420339) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 700045 + ... + 700206.

Almost surely, 2^113420331 is an apocalyptic number.

113420331 is a deficient number, since it is larger than the sum of its proper divisors (56010161).

113420331 is an equidigital number, since it uses as much as digits as its factorization.

113420331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400263 (or 1400254 counting only the distinct ones).

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

The square root of 113420331 is about 10649.8981685272. The cubic root of 113420331 is about 484.0575185496.

Adding to 113420331 its reverse (133024311), we get a palindrome (246444642).

The spelling of 113420331 in words is "one hundred thirteen million, four hundred twenty thousand, three hundred thirty-one".