232021320331 has 4 divisors (see below), whose sum is σ = 232142990472. Its totient is φ = 231899650192.

The previous prime is 232021320319. The next prime is 232021320353. The reversal of 232021320331 is 133023120232.

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 232021320331 - 2⁵ = 232021320299 is a prime.

It is a super-2 number, since 2×232021320331² (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 (232021320301) 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, 60832210 + ... + 60836023.

It is an arithmetic number, because the mean of its divisors is an integer number (58035747618).

Almost surely, 2^232021320331 is an apocalyptic number.

232021320331 is a deficient number, since it is larger than the sum of its proper divisors (121670141).

232021320331 is a wasteful number, since it uses less digits than its factorization.

232021320331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121670140.

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

Adding to 232021320331 its reverse (133023120232), we get a palindrome (365044440563).

The spelling of 232021320331 in words is "two hundred thirty-two billion, twenty-one million, three hundred twenty thousand, three hundred thirty-one".