232431323331 has 16 divisors (see below), whose sum is σ = 314045131680. Its totient is φ = 152896339200.

The previous prime is 232431323281. The next prime is 232431323339. The reversal of 232431323331 is 133323134232.

It is not a de Polignac number, because 232431323331 - 2¹⁹ = 232430799043 is a prime.

It is a super-2 number, since 2×232431323331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232431323339) 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, 1220266 + ... + 1397823.

It is an arithmetic number, because the mean of its divisors is an integer number (19627820730).

Almost surely, 2^232431323331 is an apocalyptic number.

232431323331 is a deficient number, since it is larger than the sum of its proper divisors (81613808349).

232431323331 is a wasteful number, since it uses less digits than its factorization.

232431323331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618486.

The product of its digits is 23328, while the sum is 30.

Adding to 232431323331 its reverse (133323134232), we get a palindrome (365754457563).

The spelling of 232431323331 in words is "two hundred thirty-two billion, four hundred thirty-one million, three hundred twenty-three thousand, three hundred thirty-one".