232321320031 has 4 divisors (see below), whose sum is σ = 232330970872. Its totient is φ = 232311669192.

The previous prime is 232321319987. The next prime is 232321320041. The reversal of 232321320031 is 130023123232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232321320031 - 2¹³ = 232321311839 is a prime.

It is a super-2 number, since 2×232321320031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232321319984 and 232321320011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232321320041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4789221 + ... + 4837486.

It is an arithmetic number, because the mean of its divisors is an integer number (58082742718).

Almost surely, 2^232321320031 is an apocalyptic number.

232321320031 is a deficient number, since it is larger than the sum of its proper divisors (9650841).

232321320031 is an equidigital number, since it uses as much as digits as its factorization.

232321320031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9650840.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 232321320031 its reverse (130023123232), we get a palindrome (362344443263).

The spelling of 232321320031 in words is "two hundred thirty-two billion, three hundred twenty-one million, three hundred twenty thousand, thirty-one".