131032199 has 2 divisors, whose sum is σ = 131032200. Its totient is φ = 131032198.

The previous prime is 131032177. The next prime is 131032211. The reversal of 131032199 is 991230131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131032199 is a prime.

It is a Sophie Germain 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 (131032169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65516099 + 65516100.

It is an arithmetic number, because the mean of its divisors is an integer number (65516100).

Almost surely, 2^131032199 is an apocalyptic number.

131032199 is a deficient number, since it is larger than the sum of its proper divisors (1).

131032199 is an equidigital number, since it uses as much as digits as its factorization.

131032199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 131032199 is about 11446.9296756816. The cubic root of 131032199 is about 507.9169152875.

The spelling of 131032199 in words is "one hundred thirty-one million, thirty-two thousand, one hundred ninety-nine".