113202321 has 8 divisors (see below), whose sum is σ = 151145280. Its totient is φ = 75363792.

The previous prime is 113202293. The next prime is 113202347. The reversal of 113202321 is 123202311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113202321 - 2²⁵ = 79647889 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 113202321.

It is not an unprimeable number, because it can be changed into a prime (113209321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23541 + ... + 27938.

It is an arithmetic number, because the mean of its divisors is an integer number (18893160).

Almost surely, 2^113202321 is an apocalyptic number.

It is an amenable number.

113202321 is a deficient number, since it is larger than the sum of its proper divisors (37942959).

113202321 is an equidigital number, since it uses as much as digits as its factorization.

113202321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52215.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 113202321 is about 10639.6579362308. The cubic root of 113202321 is about 483.7471771697.

Adding to 113202321 its reverse (123202311), we get a palindrome (236404632).

The spelling of 113202321 in words is "one hundred thirteen million, two hundred two thousand, three hundred twenty-one".