113332531 has 16 divisors (see below), whose sum is σ = 124418560. Its totient is φ = 102604320.

The previous prime is 113332507. The next prime is 113332537. The reversal of 113332531 is 135233311.

It is a happy number.

It is not a de Polignac number, because 113332531 - 2¹³ = 113324339 is a prime.

It is a super-2 number, since 2×113332531² = 25688525165731922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113332537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216436 + ... + 216958.

It is an arithmetic number, because the mean of its divisors is an integer number (7776160).

Almost surely, 2^113332531 is an apocalyptic number.

113332531 is a deficient number, since it is larger than the sum of its proper divisors (11086029).

113332531 is a wasteful number, since it uses less digits than its factorization.

113332531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826.

The product of its digits is 810, while the sum is 22.

The square root of 113332531 is about 10645.7752653341. The cubic root of 113332531 is about 483.9325814502.

Adding to 113332531 its reverse (135233311), we get a palindrome (248565842).

The spelling of 113332531 in words is "one hundred thirteen million, three hundred thirty-two thousand, five hundred thirty-one".