111313023113 has 16 divisors (see below), whose sum is σ = 119333690640. Its totient is φ = 103462711296.

The previous prime is 111313023037. The next prime is 111313023137. The reversal of 111313023113 is 311320313111.

It can be written as a sum of positive squares in 8 ways, for example, as 29684533264 + 81628489849 = 172292^2 + 285707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111313023113 is a prime.

It is a super-2 number, since 2×111313023113² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111313023313) 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 15 ways as a sum of consecutive naturals, for example, 427523 + ... + 636711.

It is an arithmetic number, because the mean of its divisors is an integer number (7458355665).

Almost surely, 2^111313023113 is an apocalyptic number.

It is an amenable number.

111313023113 is a deficient number, since it is larger than the sum of its proper divisors (8020667527).

111313023113 is a wasteful number, since it uses less digits than its factorization.

111313023113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209596.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 111313023113 its reverse (311320313111), we get a palindrome (422633336224).

The spelling of 111313023113 in words is "one hundred eleven billion, three hundred thirteen million, twenty-three thousand, one hundred thirteen".