231313203113 has 8 divisors (see below), whose sum is σ = 231843401856. Its totient is φ = 230783137200.

The previous prime is 231313203061. The next prime is 231313203157. The reversal of 231313203113 is 311302313132.

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 231313203113 - 2³⁰ = 230239461289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231313203013) 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, 4013843 + ... + 4071063.

It is an arithmetic number, because the mean of its divisors is an integer number (28980425232).

Almost surely, 2^231313203113 is an apocalyptic number.

It is an amenable number.

231313203113 is a deficient number, since it is larger than the sum of its proper divisors (530198743).

231313203113 is an equidigital number, since it uses as much as digits as its factorization.

231313203113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66415.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 231313203113 its reverse (311302313132), we get a palindrome (542615516245).

The spelling of 231313203113 in words is "two hundred thirty-one billion, three hundred thirteen million, two hundred three thousand, one hundred thirteen".