231429924131 has 16 divisors (see below), whose sum is σ = 265173547008. Its totient is φ = 197857296000.

The previous prime is 231429924097. The next prime is 231429924151. The reversal of 231429924131 is 131429924132.

It is not a de Polignac number, because 231429924131 - 2¹⁰ = 231429923107 is a prime.

It is a super-2 number, since 2×231429924131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231429924151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6688331 + ... + 6722843.

It is an arithmetic number, because the mean of its divisors is an integer number (16573346688).

Almost surely, 2^231429924131 is an apocalyptic number.

231429924131 is a deficient number, since it is larger than the sum of its proper divisors (33743622877).

231429924131 is a wasteful number, since it uses less digits than its factorization.

231429924131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36962.

The product of its digits is 93312, while the sum is 41.

Subtracting from 231429924131 its reverse (131429924132), we obtain a palindrome (99999999999).

The spelling of 231429924131 in words is "two hundred thirty-one billion, four hundred twenty-nine million, nine hundred twenty-four thousand, one hundred thirty-one".