113311999 has 2 divisors, whose sum is σ = 113312000. Its totient is φ = 113311998.

The previous prime is 113311969. The next prime is 113312011. The reversal of 113311999 is 999113311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113311999 - 2¹⁷ = 113180927 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113311949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56655999 + 56656000.

It is an arithmetic number, because the mean of its divisors is an integer number (56656000).

Almost surely, 2^113311999 is an apocalyptic number.

113311999 is a deficient number, since it is larger than the sum of its proper divisors (1).

113311999 is an equidigital number, since it uses as much as digits as its factorization.

113311999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6561, while the sum is 37.

The square root of 113311999 is about 10644.8108954551. The cubic root of 113311999 is about 483.9033556437.

The spelling of 113311999 in words is "one hundred thirteen million, three hundred eleven thousand, nine hundred ninety-nine".