131133199 has 2 divisors, whose sum is σ = 131133200. Its totient is φ = 131133198.

The previous prime is 131133181. The next prime is 131133203. The reversal of 131133199 is 991331131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131133199 - 2¹⁷ = 131002127 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131133199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131133109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65566599 + 65566600.

It is an arithmetic number, because the mean of its divisors is an integer number (65566600).

Almost surely, 2^131133199 is an apocalyptic number.

131133199 is a deficient number, since it is larger than the sum of its proper divisors (1).

131133199 is an equidigital number, since it uses as much as digits as its factorization.

131133199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2187, while the sum is 31.

The square root of 131133199 is about 11451.3404892178. The cubic root of 131133199 is about 508.0473830500.

The spelling of 131133199 in words is "one hundred thirty-one million, one hundred thirty-three thousand, one hundred ninety-nine".