131341036609 has 2 divisors, whose sum is σ = 131341036610. Its totient is φ = 131341036608.

The previous prime is 131341036601. The next prime is 131341036613. The reversal of 131341036609 is 906630143131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68973466384 + 62367570225 = 262628^2 + 249735^2 .

It is an emirp because it is prime and its reverse (906630143131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131341036609 - 2³ = 131341036601 is a prime.

It is not a weakly prime, because it can be changed into another prime (131341036601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65670518304 + 65670518305.

It is an arithmetic number, because the mean of its divisors is an integer number (65670518305).

Almost surely, 2^131341036609 is an apocalyptic number.

It is an amenable number.

131341036609 is a deficient number, since it is larger than the sum of its proper divisors (1).

131341036609 is an equidigital number, since it uses as much as digits as its factorization.

131341036609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 131341036609 in words is "one hundred thirty-one billion, three hundred forty-one million, thirty-six thousand, six hundred nine".