113131199 has 2 divisors, whose sum is σ = 113131200. Its totient is φ = 113131198.

The previous prime is 113131157. The next prime is 113131223. The reversal of 113131199 is 991131311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113131199 - 2¹² = 113127103 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113131129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56565599 + 56565600.

It is an arithmetic number, because the mean of its divisors is an integer number (56565600).

Almost surely, 2^113131199 is an apocalyptic number.

113131199 is a deficient number, since it is larger than the sum of its proper divisors (1).

113131199 is an equidigital number, since it uses as much as digits as its factorization.

113131199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 729, while the sum is 29.

The square root of 113131199 is about 10636.3151043959. The cubic root of 113131199 is about 483.6458474614.

The spelling of 113131199 in words is "one hundred thirteen million, one hundred thirty-one thousand, one hundred ninety-nine".