113321321 has 8 divisors (see below), whose sum is σ = 116136384. Its totient is φ = 110539440.

The previous prime is 113321309. The next prime is 113321353. The reversal of 113321321 is 123123311.

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

It is a cyclic number.

It is not a de Polignac number, because 113321321 - 2²² = 109127017 is a prime.

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 113321321.

It is not an unprimeable number, because it can be changed into a prime (113321381) 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, 1310 + ... + 15111.

It is an arithmetic number, because the mean of its divisors is an integer number (14517048).

Almost surely, 2^113321321 is an apocalyptic number.

It is an amenable number.

113321321 is a deficient number, since it is larger than the sum of its proper divisors (2815063).

113321321 is a wasteful number, since it uses less digits than its factorization.

113321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16591.

The product of its digits is 108, while the sum is 17.

The square root of 113321321 is about 10645.2487523777. The cubic root of 113321321 is about 483.9166252693.

Adding to 113321321 its reverse (123123311), we get a palindrome (236444632).

The spelling of 113321321 in words is "one hundred thirteen million, three hundred twenty-one thousand, three hundred twenty-one".