231331230101 has 12 divisors (see below), whose sum is σ = 242616004800. Its totient is φ = 220526958288.

The previous prime is 231331230077. The next prime is 231331230103. The reversal of 231331230101 is 101032133132.

It is not a de Polignac number, because 231331230101 - 2³⁰ = 230257488277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231331230103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1674491 + ... + 1807368.

It is an arithmetic number, because the mean of its divisors is an integer number (20218000400).

Almost surely, 2^231331230101 is an apocalyptic number.

It is an amenable number.

231331230101 is a deficient number, since it is larger than the sum of its proper divisors (11284774699).

231331230101 is an equidigital number, since it uses as much as digits as its factorization.

231331230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481996 (or 3481967 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 231331230101 its reverse (101032133132), we get a palindrome (332363363233).

The spelling of 231331230101 in words is "two hundred thirty-one billion, three hundred thirty-one million, two hundred thirty thousand, one hundred one".