131318347 has 2 divisors, whose sum is σ = 131318348. Its totient is φ = 131318346.

The previous prime is 131318287. The next prime is 131318359. The reversal of 131318347 is 743813131.

It is a strong prime.

It is an emirp because it is prime and its reverse (743813131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131318347 - 2⁷ = 131318219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131318147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65659173 + 65659174.

It is an arithmetic number, because the mean of its divisors is an integer number (65659174).

Almost surely, 2^131318347 is an apocalyptic number.

131318347 is a deficient number, since it is larger than the sum of its proper divisors (1).

131318347 is an equidigital number, since it uses as much as digits as its factorization.

131318347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 131318347 is about 11459.4217567903. The cubic root of 131318347 is about 508.2863759784.

The spelling of 131318347 in words is "one hundred thirty-one million, three hundred eighteen thousand, three hundred forty-seven".