113101999 has 2 divisors, whose sum is σ = 113102000. Its totient is φ = 113101998.

The previous prime is 113101979. The next prime is 113102047. The reversal of 113101999 is 999101311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113101999 - 2⁷ = 113101871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113101909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56550999 + 56551000.

It is an arithmetic number, because the mean of its divisors is an integer number (56551000).

Almost surely, 2^113101999 is an apocalyptic number.

113101999 is a deficient number, since it is larger than the sum of its proper divisors (1).

113101999 is an equidigital number, since it uses as much as digits as its factorization.

113101999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187, while the sum is 34.

The square root of 113101999 is about 10634.9423599754. The cubic root of 113101999 is about 483.6042330229.

The spelling of 113101999 in words is "one hundred thirteen million, one hundred one thousand, nine hundred ninety-nine".