113131099 has 2 divisors, whose sum is σ = 113131100. Its totient is φ = 113131098.

The previous prime is 113131079. The next prime is 113131129. The reversal of 113131099 is 990131311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113131099 - 2¹⁹ = 112606811 is a prime.

It is not a weakly prime, because it can be changed into another prime (113131069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56565549 + 56565550.

It is an arithmetic number, because the mean of its divisors is an integer number (56565550).

Almost surely, 2^113131099 is an apocalyptic number.

113131099 is a deficient number, since it is larger than the sum of its proper divisors (1).

113131099 is an equidigital number, since it uses as much as digits as its factorization.

113131099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 28.

The square root of 113131099 is about 10636.3104035187. The cubic root of 113131099 is about 483.6457049584.

The spelling of 113131099 in words is "one hundred thirteen million, one hundred thirty-one thousand, ninety-nine".