131430599 has 2 divisors, whose sum is σ = 131430600. Its totient is φ = 131430598.

The previous prime is 131430529. The next prime is 131430601. The reversal of 131430599 is 995034131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131430599 is a prime.

It is a Sophie Germain prime.

Together with 131430601, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131430529) 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, 65715299 + 65715300.

It is an arithmetic number, because the mean of its divisors is an integer number (65715300).

Almost surely, 2^131430599 is an apocalyptic number.

131430599 is a deficient number, since it is larger than the sum of its proper divisors (1).

131430599 is an equidigital number, since it uses as much as digits as its factorization.

131430599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 131430599 is about 11464.3185144168. The cubic root of 131430599 is about 508.4311638518.

It can be divided in two parts, 1314 and 30599, that added together give a palindrome (31913).

The spelling of 131430599 in words is "one hundred thirty-one million, four hundred thirty thousand, five hundred ninety-nine".