131310199 has 2 divisors, whose sum is σ = 131310200. Its totient is φ = 131310198.

The previous prime is 131310191. The next prime is 131310209. The reversal of 131310199 is 991013131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131310199 - 2³ = 131310191 is a prime.

It is a super-2 number, since 2×131310199² = 34484736722839202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131310191) 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, 65655099 + 65655100.

It is an arithmetic number, because the mean of its divisors is an integer number (65655100).

Almost surely, 2^131310199 is an apocalyptic number.

131310199 is a deficient number, since it is larger than the sum of its proper divisors (1).

131310199 is an equidigital number, since it uses as much as digits as its factorization.

131310199 is an odious number, because the sum of its binary digits is odd.

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

The square root of 131310199 is about 11459.0662359548. The cubic root of 131310199 is about 508.2758630959.

The spelling of 131310199 in words is "one hundred thirty-one million, three hundred ten thousand, one hundred ninety-nine".