131507347 has 2 divisors, whose sum is σ = 131507348. Its totient is φ = 131507346.

The previous prime is 131507339. The next prime is 131507423. The reversal of 131507347 is 743705131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131507347 - 2³ = 131507339 is a prime.

It is not a weakly prime, because it can be changed into another prime (131507317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65753673 + 65753674.

It is an arithmetic number, because the mean of its divisors is an integer number (65753674).

Almost surely, 2^131507347 is an apocalyptic number.

131507347 is a deficient number, since it is larger than the sum of its proper divisors (1).

131507347 is an equidigital number, since it uses as much as digits as its factorization.

131507347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 131507347 is about 11467.6652811285. The cubic root of 131507347 is about 508.5301095625.

The spelling of 131507347 in words is "one hundred thirty-one million, five hundred seven thousand, three hundred forty-seven".