231232102131 has 8 divisors (see below), whose sum is σ = 310559904144. Its totient is φ = 153029517440.

The previous prime is 231232102063. The next prime is 231232102133. The reversal of 231232102131 is 131201232132.

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 231232102131 - 2¹⁸ = 231231839987 is a prime.

It is a super-2 number, since 2×231232102131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231232102098 and 231232102107.

It is not an unprimeable number, because it can be changed into a prime (231232102133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281303850 + ... + 281304671.

It is an arithmetic number, because the mean of its divisors is an integer number (38819988018).

Almost surely, 2^231232102131 is an apocalyptic number.

231232102131 is a deficient number, since it is larger than the sum of its proper divisors (79327802013).

231232102131 is a wasteful number, since it uses less digits than its factorization.

231232102131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562608661.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 231232102131 its reverse (131201232132), we get a palindrome (362433334263).

The spelling of 231232102131 in words is "two hundred thirty-one billion, two hundred thirty-two million, one hundred two thousand, one hundred thirty-one".