231320113 has 8 divisors (see below), whose sum is σ = 238625600. Its totient is φ = 224128080.

The previous prime is 231320107. The next prime is 231320123. The reversal of 231320113 is 311023132.

231320113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 231320113 - 2⁹ = 231319601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231320123) 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, 24213 + ... + 32386.

It is an arithmetic number, because the mean of its divisors is an integer number (29828200).

Almost surely, 2^231320113 is an apocalyptic number.

It is an amenable number.

231320113 is a deficient number, since it is larger than the sum of its proper divisors (7305487).

231320113 is an equidigital number, since it uses as much as digits as its factorization.

231320113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56727.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 231320113 is about 15209.2114522746. The cubic root of 231320113 is about 613.8625398302.

Adding to 231320113 its reverse (311023132), we get a palindrome (542343245).

The spelling of 231320113 in words is "two hundred thirty-one million, three hundred twenty thousand, one hundred thirteen".