23221322312331 has 64 divisors (see below), whose sum is σ = 37703840993280. Its totient is φ = 12519719424000.

The previous prime is 23221322312327. The next prime is 23221322312339. The reversal of 23221322312331 is 13321322312232.

It is not a de Polignac number, because 23221322312331 - 2² = 23221322312327 is a prime.

It is a super-2 number, since 2×23221322312331² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23221322312339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 417546 + ... + 6827663.

It is an arithmetic number, because the mean of its divisors is an integer number (589122515520).

Almost surely, 2^{23221322312331} is an apocalyptic number.

23221322312331 is a deficient number, since it is larger than the sum of its proper divisors (14482518680949).

23221322312331 is a wasteful number, since it uses less digits than its factorization.

23221322312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7245508.

The product of its digits is 15552, while the sum is 30.

Adding to 23221322312331 its reverse (13321322312232), we get a palindrome (36542644624563).

Subtracting from 23221322312331 its reverse (13321322312232), we obtain a palindrome (9900000000099).

The spelling of 23221322312331 in words is "twenty-three trillion, two hundred twenty-one billion, three hundred twenty-two million, three hundred twelve thousand, three hundred thirty-one".