23321022031 has 4 divisors (see below), whose sum is σ = 23321327512. Its totient is φ = 23320716552.

The previous prime is 23321021989. The next prime is 23321022037. The reversal of 23321022031 is 13022012332.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23321022031 - 2⁷ = 23321021903 is a prime.

It is a super-2 number, since 2×23321022031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321022037) 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, 72001 + ... + 227653.

It is an arithmetic number, because the mean of its divisors is an integer number (5830331878).

Almost surely, 2^23321022031 is an apocalyptic number.

23321022031 is a deficient number, since it is larger than the sum of its proper divisors (305481).

23321022031 is a wasteful number, since it uses less digits than its factorization.

23321022031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305480.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23321022031 its reverse (13022012332), we get a palindrome (36343034363).

The spelling of 23321022031 in words is "twenty-three billion, three hundred twenty-one million, twenty-two thousand, thirty-one".