11111032313 has 4 divisors (see below), whose sum is σ = 11116195188. Its totient is φ = 11105869440.

The previous prime is 11111032259. The next prime is 11111032391. The reversal of 11111032313 is 31323011111.

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 3939821824 + 7171210489 = 62768^2 + 84683^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111032313 - 2¹⁰ = 11111031289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11111032291 and 11111032300.

It is not an unprimeable number, because it can be changed into a prime (11111032013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2578208 + ... + 2582513.

It is an arithmetic number, because the mean of its divisors is an integer number (2779048797).

Almost surely, 2^11111032313 is an apocalyptic number.

It is an amenable number.

11111032313 is a deficient number, since it is larger than the sum of its proper divisors (5162875).

11111032313 is an equidigital number, since it uses as much as digits as its factorization.

11111032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5162874.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11111032313 its reverse (31323011111), we get a palindrome (42434043424).

The spelling of 11111032313 in words is "eleven billion, one hundred eleven million, thirty-two thousand, three hundred thirteen".