22321002131 has 2 divisors, whose sum is σ = 22321002132. Its totient is φ = 22321002130.

The previous prime is 22321002113. The next prime is 22321002181. The reversal of 22321002131 is 13120012322.

Together with previous prime (22321002113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22321002131 - 2²⁶ = 22253893267 is a prime.

It is a super-3 number, since 3×22321002131³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22321002181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11160501065 + 11160501066.

It is an arithmetic number, because the mean of its divisors is an integer number (11160501066).

Almost surely, 2^22321002131 is an apocalyptic number.

22321002131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22321002131 is an equidigital number, since it uses as much as digits as its factorization.

22321002131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22321002131 its reverse (13120012322), we get a palindrome (35441014453).

The spelling of 22321002131 in words is "twenty-two billion, three hundred twenty-one million, two thousand, one hundred thirty-one".