113311321 has 8 divisors (see below), whose sum is σ = 116330720. Its totient is φ = 110309472.

The previous prime is 113311309. The next prime is 113311339. The reversal of 113311321 is 123113311.

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 113311321 - 2¹⁹ = 112787033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113311295 and 113311304.

It is not an unprimeable number, because it can be changed into a prime (113311301) 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, 9250 + ... + 17668.

It is an arithmetic number, because the mean of its divisors is an integer number (14541340).

Almost surely, 2^113311321 is an apocalyptic number.

It is an amenable number.

113311321 is a deficient number, since it is larger than the sum of its proper divisors (3019399).

113311321 is an equidigital number, since it uses as much as digits as its factorization.

113311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8775.

The product of its digits is 54, while the sum is 16.

The square root of 113311321 is about 10644.7790489047. The cubic root of 113311321 is about 483.9023904999.

Adding to 113311321 its reverse (123113311), we get a palindrome (236424632).

The spelling of 113311321 in words is "one hundred thirteen million, three hundred eleven thousand, three hundred twenty-one".