131307487237 has 2 divisors, whose sum is σ = 131307487238. Its totient is φ = 131307487236.

The previous prime is 131307487211. The next prime is 131307487253. The reversal of 131307487237 is 732784703131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100219097476 + 31088389761 = 316574^2 + 176319^2 .

It is a cyclic number.

It is not a de Polignac number, because 131307487237 - 2⁷ = 131307487109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131317487237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65653743618 + 65653743619.

It is an arithmetic number, because the mean of its divisors is an integer number (65653743619).

Almost surely, 2^131307487237 is an apocalyptic number.

It is an amenable number.

131307487237 is a deficient number, since it is larger than the sum of its proper divisors (1).

131307487237 is an equidigital number, since it uses as much as digits as its factorization.

131307487237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 131307487237 in words is "one hundred thirty-one billion, three hundred seven million, four hundred eighty-seven thousand, two hundred thirty-seven".