131304334247 has 2 divisors, whose sum is σ = 131304334248. Its totient is φ = 131304334246.

The previous prime is 131304334163. The next prime is 131304334283. The reversal of 131304334247 is 742433403131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131304334247 - 2⁸ = 131304333991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131304334547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65652167123 + 65652167124.

It is an arithmetic number, because the mean of its divisors is an integer number (65652167124).

Almost surely, 2^131304334247 is an apocalyptic number.

131304334247 is a deficient number, since it is larger than the sum of its proper divisors (1).

131304334247 is an equidigital number, since it uses as much as digits as its factorization.

131304334247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 35.

Adding to 131304334247 its reverse (742433403131), we get a palindrome (873737737378).

The spelling of 131304334247 in words is "one hundred thirty-one billion, three hundred four million, three hundred thirty-four thousand, two hundred forty-seven".