11131311713 has 2 divisors, whose sum is σ = 11131311714. Its totient is φ = 11131311712.

The previous prime is 11131311643. The next prime is 11131311739. The reversal of 11131311713 is 31711313111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5617952209 + 5513359504 = 74953^2 + 74252^2 .

It is a cyclic number.

It is not a de Polignac number, because 11131311713 - 2¹⁰ = 11131310689 is a prime.

It is a super-2 number, since 2×11131311713² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11131331713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565655856 + 5565655857.

It is an arithmetic number, because the mean of its divisors is an integer number (5565655857).

Almost surely, 2^11131311713 is an apocalyptic number.

It is an amenable number.

11131311713 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131311713 is an equidigital number, since it uses as much as digits as its factorization.

11131311713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189, while the sum is 23.

Adding to 11131311713 its reverse (31711313111), we get a palindrome (42842624824).

The spelling of 11131311713 in words is "eleven billion, one hundred thirty-one million, three hundred eleven thousand, seven hundred thirteen".