232321212431 has 16 divisors (see below), whose sum is σ = 291731032320. Its totient is φ = 179727137280.

The previous prime is 232321212377. The next prime is 232321212443. The reversal of 232321212431 is 134212123232.

It is a cyclic number.

It is not a de Polignac number, because 232321212431 - 2³⁰ = 231247470607 is a prime.

It is a super-2 number, since 2×232321212431² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 232321212431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232321212131) 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, 10842386 + ... + 10863791.

It is an arithmetic number, because the mean of its divisors is an integer number (18233189520).

Almost surely, 2^232321212431 is an apocalyptic number.

232321212431 is a deficient number, since it is larger than the sum of its proper divisors (59409819889).

232321212431 is a wasteful number, since it uses less digits than its factorization.

232321212431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21706334.

The product of its digits is 3456, while the sum is 26.

Adding to 232321212431 its reverse (134212123232), we get a palindrome (366533335663).

The spelling of 232321212431 in words is "two hundred thirty-two billion, three hundred twenty-one million, two hundred twelve thousand, four hundred thirty-one".