231322223012113 has 4 divisors (see below), whose sum is σ = 231387586740720. Its totient is φ = 231256859283508.

The previous prime is 231322223012071. The next prime is 231322223012147. The reversal of 231322223012113 is 311210322223132.

231322223012113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231322223012113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231322223013113) 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, 32681858995 + ... + 32681866072.

It is an arithmetic number, because the mean of its divisors is an integer number (57846896685180).

Almost surely, 2^{231322223012113} is an apocalyptic number.

It is an amenable number.

231322223012113 is a deficient number, since it is larger than the sum of its proper divisors (65363728607).

231322223012113 is an equidigital number, since it uses as much as digits as its factorization.

231322223012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65363728606.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 231322223012113 its reverse (311210322223132), we get a palindrome (542532545235245).

The spelling of 231322223012113 in words is "two hundred thirty-one trillion, three hundred twenty-two billion, two hundred twenty-three million, twelve thousand, one hundred thirteen".