11118313 has 2 divisors, whose sum is σ = 11118314. Its totient is φ = 11118312.

The previous prime is 11118311. The next prime is 11118319. The reversal of 11118313 is 31381111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6487209 + 4631104 = 2547^2 + 2152^2 .

It is a cyclic number.

It is not a de Polignac number, because 11118313 - 2¹ = 11118311 is a prime.

Together with 11118311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11118311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5559156 + 5559157.

It is an arithmetic number, because the mean of its divisors is an integer number (5559157).

Almost surely, 2^11118313 is an apocalyptic number.

It is an amenable number.

11118313 is a deficient number, since it is larger than the sum of its proper divisors (1).

11118313 is an equidigital number, since it uses as much as digits as its factorization.

11118313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 19.

The square root of 11118313 is about 3334.4134416716. The cubic root of 11118313 is about 223.1925180986.

Adding to 11118313 its reverse (31381111), we get a palindrome (42499424).

The spelling of 11118313 in words is "eleven million, one hundred eighteen thousand, three hundred thirteen".