23321220310031 has 8 divisors (see below), whose sum is σ = 27104565978240. Its totient is φ = 19650810333528.

The previous prime is 23321220310027. The next prime is 23321220310079. The reversal of 23321220310031 is 13001302212332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23321220310031 - 2² = 23321220310027 is a prime.

It is a super-2 number, since 2×23321220310031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23321220309979 and 23321220310006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321220310931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28233922481 + ... + 28233923306.

It is an arithmetic number, because the mean of its divisors is an integer number (3388070747280).

Almost surely, 2^{23321220310031} is an apocalyptic number.

23321220310031 is a deficient number, since it is larger than the sum of its proper divisors (3783345668209).

23321220310031 is an equidigital number, since it uses as much as digits as its factorization.

23321220310031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56467845853.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 23321220310031 its reverse (13001302212332), we get a palindrome (36322522522363).

The spelling of 23321220310031 in words is "twenty-three trillion, three hundred twenty-one billion, two hundred twenty million, three hundred ten thousand, thirty-one".