22042131313 has 2 divisors, whose sum is σ = 22042131314. Its totient is φ = 22042131312.

The previous prime is 22042131277. The next prime is 22042131329. The reversal of 22042131313 is 31313124022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13171693824 + 8870437489 = 114768^2 + 94183^2 .

It is a cyclic number.

It is not a de Polignac number, because 22042131313 - 2⁹ = 22042130801 is a prime.

It is not a weakly prime, because it can be changed into another prime (22042131343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11021065656 + 11021065657.

It is an arithmetic number, because the mean of its divisors is an integer number (11021065657).

Almost surely, 2^22042131313 is an apocalyptic number.

It is an amenable number.

22042131313 is a deficient number, since it is larger than the sum of its proper divisors (1).

22042131313 is an equidigital number, since it uses as much as digits as its factorization.

22042131313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 22042131313 its reverse (31313124022), we get a palindrome (53355255335).

The spelling of 22042131313 in words is "twenty-two billion, forty-two million, one hundred thirty-one thousand, three hundred thirteen".