113103239 has 4 divisors (see below), whose sum is σ = 113129640. Its totient is φ = 113076840.

The previous prime is 113103233. The next prime is 113103241. The reversal of 113103239 is 932301311.

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 113103239 - 2⁴ = 113103223 is a prime.

It is a super-2 number, since 2×113103239² = 25584685344582242, 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 (113103233) 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, 5129 + ... + 15890.

It is an arithmetic number, because the mean of its divisors is an integer number (28282410).

Almost surely, 2^113103239 is an apocalyptic number.

113103239 is a deficient number, since it is larger than the sum of its proper divisors (26401).

113103239 is an equidigital number, since it uses as much as digits as its factorization.

113103239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26400.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 113103239 is about 10635.0006582040. Note that the first 3 decimals coincide. The cubic root of 113103239 is about 483.6060003570.

The spelling of 113103239 in words is "one hundred thirteen million, one hundred three thousand, two hundred thirty-nine".