113130233 has 4 divisors (see below), whose sum is σ = 113355648. Its totient is φ = 112904820.

The previous prime is 113130229. The next prime is 113130263. The reversal of 113130233 is 332031311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332031311 = 227 ⋅1462693.

It is a cyclic number.

It is not a de Polignac number, because 113130233 - 2² = 113130229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113130263) 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, 111953 + ... + 112958.

It is an arithmetic number, because the mean of its divisors is an integer number (28338912).

Almost surely, 2^113130233 is an apocalyptic number.

It is an amenable number.

113130233 is a deficient number, since it is larger than the sum of its proper divisors (225415).

113130233 is an equidigital number, since it uses as much as digits as its factorization.

113130233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225414.

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

The square root of 113130233 is about 10636.2696938353. The cubic root of 113130233 is about 483.6444708791.

Adding to 113130233 its reverse (332031311), we get a palindrome (445161544).

The spelling of 113130233 in words is "one hundred thirteen million, one hundred thirty thousand, two hundred thirty-three".