131310899 has 2 divisors, whose sum is σ = 131310900. Its totient is φ = 131310898.

The previous prime is 131310871. The next prime is 131310917. The reversal of 131310899 is 998013131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131310899 - 2⁸ = 131310643 is a prime.

It is not a weakly prime, because it can be changed into another prime (131310199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65655449 + 65655450.

It is an arithmetic number, because the mean of its divisors is an integer number (65655450).

Almost surely, 2^131310899 is an apocalyptic number.

131310899 is a deficient number, since it is larger than the sum of its proper divisors (1).

131310899 is an equidigital number, since it uses as much as digits as its factorization.

131310899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 131310899 is about 11459.0967794150. The cubic root of 131310899 is about 508.2767662816.

The spelling of 131310899 in words is "one hundred thirty-one million, three hundred ten thousand, eight hundred ninety-nine".