1113312233 has 16 divisors (see below), whose sum is σ = 1258709760. Its totient is φ = 975408000.

The previous prime is 1113312229. The next prime is 1113312247. The reversal of 1113312233 is 3322133111.

It is a cyclic number.

It is not a de Polignac number, because 1113312233 - 2² = 1113312229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113312253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188816 + ... + 194622.

It is an arithmetic number, because the mean of its divisors is an integer number (78669360).

Almost surely, 2^1113312233 is an apocalyptic number.

It is an amenable number.

1113312233 is a deficient number, since it is larger than the sum of its proper divisors (145397527).

1113312233 is a wasteful number, since it uses less digits than its factorization.

1113312233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6448.

The product of its digits is 324, while the sum is 20.

The square root of 1113312233 is about 33366.3338261787. Note that the first 3 decimals coincide. The cubic root of 1113312233 is about 1036.4276572655.

Adding to 1113312233 its reverse (3322133111), we get a palindrome (4435445344).

The spelling of 1113312233 in words is "one billion, one hundred thirteen million, three hundred twelve thousand, two hundred thirty-three".