113113331 has 2 divisors, whose sum is σ = 113113332. Its totient is φ = 113113330.

The previous prime is 113113321. The next prime is 113113397. The reversal of 113113331 is 133311311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113113331 is a prime.

It is a super-2 number, since 2×113113331² = 25589251299831122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113113321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56556665 + 56556666.

It is an arithmetic number, because the mean of its divisors is an integer number (56556666).

Almost surely, 2^113113331 is an apocalyptic number.

113113331 is a deficient number, since it is larger than the sum of its proper divisors (1).

113113331 is an equidigital number, since it uses as much as digits as its factorization.

113113331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81, while the sum is 17.

The square root of 113113331 is about 10635.4751186771. The cubic root of 113113331 is about 483.6203836958.

Adding to 113113331 its reverse (133311311), we get a palindrome (246424642).

The spelling of 113113331 in words is "one hundred thirteen million, one hundred thirteen thousand, three hundred thirty-one".