231304040324 has 24 divisors (see below), whose sum is σ = 464315136768. Its totient is φ = 98764505280.

The previous prime is 231304040263. The next prime is 231304040333. The reversal of 231304040324 is 423040403132.

It is a junction number, because it is equal to n+sod(n) for n = 231304040293 and 231304040302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15233849 + ... + 15249024.

It is an arithmetic number, because the mean of its divisors is an integer number (19346464032).

Almost surely, 2^231304040324 is an apocalyptic number.

It is an amenable number.

231304040324 is an abundant number, since it is smaller than the sum of its proper divisors (233011096444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231304040324 is a wasteful number, since it uses less digits than its factorization.

231304040324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30483155 (or 30483153 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 231304040324 its reverse (423040403132), we get a palindrome (654344443456).

The spelling of 231304040324 in words is "two hundred thirty-one billion, three hundred four million, forty thousand, three hundred twenty-four".