22331031222013 has 2 divisors, whose sum is σ = 22331031222014. Its totient is φ = 22331031222012.

The previous prime is 22331031221971. The next prime is 22331031222043. The reversal of 22331031222013 is 31022213013322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18984337838404 + 3346693383609 = 4357102^2 + 1829397^2 .

It is a cyclic number.

It is not a de Polignac number, because 22331031222013 - 2²¹ = 22331029124861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22331031222043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11165515611006 + 11165515611007.

It is an arithmetic number, because the mean of its divisors is an integer number (11165515611007).

Almost surely, 2^{22331031222013} is an apocalyptic number.

It is an amenable number.

22331031222013 is a deficient number, since it is larger than the sum of its proper divisors (1).

22331031222013 is an equidigital number, since it uses as much as digits as its factorization.

22331031222013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 22331031222013 its reverse (31022213013322), we get a palindrome (53353244235335).

The spelling of 22331031222013 in words is "twenty-two trillion, three hundred thirty-one billion, thirty-one million, two hundred twenty-two thousand, thirteen".