31322200323013 has 2 divisors, whose sum is σ = 31322200323014. Its totient is φ = 31322200323012.

The previous prime is 31322200322993. The next prime is 31322200323023. The reversal of 31322200323013 is 31032300222313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30954724307809 + 367476015204 = 5563697^2 + 606198^2 .

It is a cyclic number.

It is not a de Polignac number, because 31322200323013 - 2⁵ = 31322200322981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31322200323023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15661100161506 + 15661100161507.

It is an arithmetic number, because the mean of its divisors is an integer number (15661100161507).

Almost surely, 2^{31322200323013} is an apocalyptic number.

It is an amenable number.

31322200323013 is a deficient number, since it is larger than the sum of its proper divisors (1).

31322200323013 is an equidigital number, since it uses as much as digits as its factorization.

31322200323013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31322200323013 its reverse (31032300222313), we get a palindrome (62354500545326).

The spelling of 31322200323013 in words is "thirty-one trillion, three hundred twenty-two billion, two hundred million, three hundred twenty-three thousand, thirteen".