13911315013 has 2 divisors, whose sum is σ = 13911315014. Its totient is φ = 13911315012.

The previous prime is 13911314983. The next prime is 13911315029. The reversal of 13911315013 is 31051311931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13646211489 + 265103524 = 116817^2 + 16282^2 .

It is a cyclic number.

It is not a de Polignac number, because 13911315013 - 2⁵ = 13911314981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13911318013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6955657506 + 6955657507.

It is an arithmetic number, because the mean of its divisors is an integer number (6955657507).

Almost surely, 2^13911315013 is an apocalyptic number.

It is an amenable number.

13911315013 is a deficient number, since it is larger than the sum of its proper divisors (1).

13911315013 is an equidigital number, since it uses as much as digits as its factorization.

13911315013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 28.

Adding to 13911315013 its reverse (31051311931), we get a palindrome (44962626944).

The spelling of 13911315013 in words is "thirteen billion, nine hundred eleven million, three hundred fifteen thousand, thirteen".