11331113 has 4 divisors (see below), whose sum is σ = 11340288. Its totient is φ = 11321940.

The previous prime is 11331091. The next prime is 11331121. The reversal of 11331113 is 31113311.

It is a happy number.

11331113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11331113 - 2¹⁰ = 11330089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331713) 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, 2381 + ... + 5322.

It is an arithmetic number, because the mean of its divisors is an integer number (2835072).

Almost surely, 2^11331113 is an apocalyptic number.

It is an amenable number.

11331113 is a deficient number, since it is larger than the sum of its proper divisors (9175).

11331113 is an equidigital number, since it uses as much as digits as its factorization.

11331113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9174.

The product of its digits is 27, while the sum is 14.

The square root of 11331113 is about 3366.1718613285. The cubic root of 11331113 is about 224.6074670291.

Adding to 11331113 its reverse (31113311), we get a palindrome (42444424).

The spelling of 11331113 in words is "eleven million, three hundred thirty-one thousand, one hundred thirteen".