11311030013 has 2 divisors, whose sum is σ = 11311030014. Its totient is φ = 11311030012.

The previous prime is 11311030009. The next prime is 11311030039. The reversal of 11311030013 is 31003011311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10284596569 + 1026433444 = 101413^2 + 32038^2 .

It is an emirp because it is prime and its reverse (31003011311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11311030013 - 2² = 11311030009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11311030013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11311030613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655515006 + 5655515007.

It is an arithmetic number, because the mean of its divisors is an integer number (5655515007).

Almost surely, 2^11311030013 is an apocalyptic number.

It is an amenable number.

11311030013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311030013 is an equidigital number, since it uses as much as digits as its factorization.

11311030013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 11311030013 its reverse (31003011311), we get a palindrome (42314041324).

The spelling of 11311030013 in words is "eleven billion, three hundred eleven million, thirty thousand, thirteen".