11231113 has 4 divisors (see below), whose sum is σ = 11255040. Its totient is φ = 11207188.

The previous prime is 11231111. The next prime is 11231119. The reversal of 11231113 is 31113211.

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 11231113 - 2¹ = 11231111 is a prime.

It is a super-2 number, since 2×11231113² = 252275798437538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11231093 and 11231102.

It is not an unprimeable number, because it can be changed into a prime (11231111) 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, 11245 + ... + 12202.

It is an arithmetic number, because the mean of its divisors is an integer number (2813760).

Almost surely, 2^11231113 is an apocalyptic number.

It is an amenable number.

11231113 is a deficient number, since it is larger than the sum of its proper divisors (23927).

11231113 is an equidigital number, since it uses as much as digits as its factorization.

11231113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23926.

The product of its digits is 18, while the sum is 13.

The square root of 11231113 is about 3351.2852758308. The cubic root of 11231113 is about 223.9447740662.

Adding to 11231113 its reverse (31113211), we get a palindrome (42344324).

The spelling of 11231113 in words is "eleven million, two hundred thirty-one thousand, one hundred thirteen".