1113331311 has 20 divisors (see below), whose sum is σ = 1664131392. Its totient is φ = 741771648.

The previous prime is 1113331301. The next prime is 1113331319. The reversal of 1113331311 is 1131333111.

1113331311 is a `hidden beast` number, since 11 + 13 + 331 + 311 = 666.

It is not a de Polignac number, because 1113331311 - 2¹⁰ = 1113330287 is a prime.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113331319) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 181090 + ... + 187136.

Almost surely, 2^1113331311 is an apocalyptic number.

1113331311 is a deficient number, since it is larger than the sum of its proper divisors (550800081).

1113331311 is an equidigital number, since it uses as much as digits as its factorization.

1113331311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8332 (or 8323 counting only the distinct ones).

The product of its digits is 81, while the sum is 18.

The square root of 1113331311 is about 33366.6197119217. The cubic root of 1113331311 is about 1036.4335773939.

Adding to 1113331311 its reverse (1131333111), we get a palindrome (2244664422).

The spelling of 1113331311 in words is "one billion, one hundred thirteen million, three hundred thirty-one thousand, three hundred eleven".