231313101121 has 4 divisors (see below), whose sum is σ = 236234656512. Its totient is φ = 226391545732.

The previous prime is 231313101101. The next prime is 231313101161. The reversal of 231313101121 is 121101313132.

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 not a de Polignac number, because 231313101121 - 2¹³ = 231313092929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231313101101) 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, 2460777625 + ... + 2460777718.

It is an arithmetic number, because the mean of its divisors is an integer number (59058664128).

Almost surely, 2^231313101121 is an apocalyptic number.

It is an amenable number.

231313101121 is a deficient number, since it is larger than the sum of its proper divisors (4921555391).

231313101121 is an equidigital number, since it uses as much as digits as its factorization.

231313101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921555390.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 231313101121 its reverse (121101313132), we get a palindrome (352414414253).

The spelling of 231313101121 in words is "two hundred thirty-one billion, three hundred thirteen million, one hundred one thousand, one hundred twenty-one".