131240299 has 2 divisors, whose sum is σ = 131240300. Its totient is φ = 131240298.

The previous prime is 131240297. The next prime is 131240371. The reversal of 131240299 is 992042131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131240299 - 2¹ = 131240297 is a prime.

Together with 131240297, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 131240299.

It is not a weakly prime, because it can be changed into another prime (131240293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65620149 + 65620150.

It is an arithmetic number, because the mean of its divisors is an integer number (65620150).

Almost surely, 2^131240299 is an apocalyptic number.

131240299 is a deficient number, since it is larger than the sum of its proper divisors (1).

131240299 is an equidigital number, since it uses as much as digits as its factorization.

131240299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 131240299 is about 11456.0158432153. The cubic root of 131240299 is about 508.1856573865.

The spelling of 131240299 in words is "one hundred thirty-one million, two hundred forty thousand, two hundred ninety-nine".