113520331 has 4 divisors (see below), whose sum is σ = 113545152. Its totient is φ = 113495512.

The previous prime is 113520313. The next prime is 113520343. The reversal of 113520331 is 133025311.

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 113520331 - 2⁵ = 113520299 is a prime.

It is a super-2 number, since 2×113520331² = 25773731100699122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113520299 and 113520308.

It is not an unprimeable number, because it can be changed into a prime (113520371) 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, 3340 + ... + 15433.

It is an arithmetic number, because the mean of its divisors is an integer number (28386288).

Almost surely, 2^113520331 is an apocalyptic number.

113520331 is a deficient number, since it is larger than the sum of its proper divisors (24821).

113520331 is an equidigital number, since it uses as much as digits as its factorization.

113520331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24820.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 113520331 is about 10654.5920147137. The cubic root of 113520331 is about 484.1997374161.

Adding to 113520331 its reverse (133025311), we get a palindrome (246545642).

The spelling of 113520331 in words is "one hundred thirteen million, five hundred twenty thousand, three hundred thirty-one".