113033231 has 4 divisors (see below), whose sum is σ = 113060472. Its totient is φ = 113005992.

The previous prime is 113033209. The next prime is 113033243. The reversal of 113033231 is 132330311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132330311 = 9103 ⋅14537.

It is a cyclic number.

It is not a de Polignac number, because 113033231 - 2²⁶ = 45924367 is a prime.

It is a super-2 number, since 2×113033231² = 25553022620598722, 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 (113033131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5960 + ... + 16173.

It is an arithmetic number, because the mean of its divisors is an integer number (28265118).

Almost surely, 2^113033231 is an apocalyptic number.

113033231 is a deficient number, since it is larger than the sum of its proper divisors (27241).

113033231 is an equidigital number, since it uses as much as digits as its factorization.

113033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27240.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 113033231 is about 10631.7087525948. The cubic root of 113033231 is about 483.5061998651.

Adding to 113033231 its reverse (132330311), we get a palindrome (245363542).

The spelling of 113033231 in words is "one hundred thirteen million, thirty-three thousand, two hundred thirty-one".