11131117313 has 4 divisors (see below), whose sum is σ = 11313594708. Its totient is φ = 10948639920.

The previous prime is 11131117267. The next prime is 11131117351. The reversal of 11131117313 is 31371113111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2866852849 + 8264264464 = 53543^2 + 90908^2 .

It is a cyclic number.

It is not a de Polignac number, because 11131117313 - 2²⁰ = 11130068737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11131117813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91238606 + ... + 91238727.

It is an arithmetic number, because the mean of its divisors is an integer number (2828398677).

Almost surely, 2^11131117313 is an apocalyptic number.

It is an amenable number.

11131117313 is a deficient number, since it is larger than the sum of its proper divisors (182477395).

11131117313 is an equidigital number, since it uses as much as digits as its factorization.

11131117313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182477394.

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

The spelling of 11131117313 in words is "eleven billion, one hundred thirty-one million, one hundred seventeen thousand, three hundred thirteen".