111311113 has 4 divisors (see below), whose sum is σ = 111333888. Its totient is φ = 111288340.

The previous prime is 111311029. The next prime is 111311131. The reversal of 111311113 is 311113111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111311113 - 2⁹ = 111310601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111311093 and 111311102.

It is not an unprimeable number, because it can be changed into a prime (111311413) 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, 733 + ... + 14938.

It is an arithmetic number, because the mean of its divisors is an integer number (27833472).

Almost surely, 2^111311113 is an apocalyptic number.

It is an amenable number.

111311113 is a deficient number, since it is larger than the sum of its proper divisors (22775).

111311113 is an equidigital number, since it uses as much as digits as its factorization.

111311113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22774.

The product of its digits is 9, while the sum is 13.

The square root of 111311113 is about 10550.4081911554. The cubic root of 111311113 is about 481.0381365071.

Adding to 111311113 its reverse (311113111), we get a palindrome (422424224).

It can be divided in two parts, 111 and 311113, that multiplied together give a palindrome (34533543).

The spelling of 111311113 in words is "one hundred eleven million, three hundred eleven thousand, one hundred thirteen".