11311312030013 has 2 divisors, whose sum is σ = 11311312030014. Its totient is φ = 11311312030012.

The previous prime is 11311312030003. The next prime is 11311312030043. The reversal of 11311312030013 is 31003021311311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11311295853529 + 16176484 = 3363227^2 + 4022^2 .

It is a cyclic number.

It is not a de Polignac number, because 11311312030013 - 2²⁴ = 11311295252797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11311312030003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655656015006 + 5655656015007.

It is an arithmetic number, because the mean of its divisors is an integer number (5655656015007).

Almost surely, 2^{11311312030013} is an apocalyptic number.

It is an amenable number.

11311312030013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311312030013 is an equidigital number, since it uses as much as digits as its factorization.

11311312030013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 11311312030013 its reverse (31003021311311), we get a palindrome (42314333341324).

The spelling of 11311312030013 in words is "eleven trillion, three hundred eleven billion, three hundred twelve million, thirty thousand, thirteen".