22131231130323 has 20 divisors (see below), whose sum is σ = 37783124752560. Its totient is φ = 12646417788432.

The previous prime is 22131231130271. The next prime is 22131231130343. The reversal of 22131231130323 is 32303113213122.

22131231130323 is a `hidden beast` number, since 2 + 2 + 1 + 312 + 311 + 3 + 0 + 32 + 3 = 666.

It is not a de Polignac number, because 22131231130323 - 2¹³ = 22131231122131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22131231130343) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19516076268 + ... + 19516077401.

It is an arithmetic number, because the mean of its divisors is an integer number (1889156237628).

Almost surely, 2^{22131231130323} is an apocalyptic number.

22131231130323 is a deficient number, since it is larger than the sum of its proper divisors (15651893622237).

22131231130323 is an equidigital number, since it uses as much as digits as its factorization.

22131231130323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39032153688 (or 39032153679 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 22131231130323 its reverse (32303113213122), we get a palindrome (54434344343445).

The spelling of 22131231130323 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred thirty-one million, one hundred thirty thousand, three hundred twenty-three".