113330321 has 4 divisors (see below), whose sum is σ = 122048052. Its totient is φ = 104612592.

The previous prime is 113330317. The next prime is 113330323. The reversal of 113330321 is 123033311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7980625 + 105349696 = 2825^2 + 10264^2 .

It is a cyclic number.

It is not a de Polignac number, because 113330321 - 2² = 113330317 is a prime.

It is a super-3 number, since 3×113330321³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113330321.

It is not an unprimeable number, because it can be changed into a prime (113330323) 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, 4358846 + ... + 4358871.

It is an arithmetic number, because the mean of its divisors is an integer number (30512013).

Almost surely, 2^113330321 is an apocalyptic number.

It is an amenable number.

113330321 is a deficient number, since it is larger than the sum of its proper divisors (8717731).

113330321 is an equidigital number, since it uses as much as digits as its factorization.

113330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8717730.

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

The square root of 113330321 is about 10645.6714677845. The cubic root of 113330321 is about 483.9294358457.

Adding to 113330321 its reverse (123033311), we get a palindrome (236363632).

The spelling of 113330321 in words is "one hundred thirteen million, three hundred thirty thousand, three hundred twenty-one".