131531268007 has 2 divisors, whose sum is σ = 131531268008. Its totient is φ = 131531268006.

The previous prime is 131531267981. The next prime is 131531268047. The reversal of 131531268007 is 700862135131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131531268007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131531268047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65765634003 + 65765634004.

It is an arithmetic number, because the mean of its divisors is an integer number (65765634004).

Almost surely, 2^131531268007 is an apocalyptic number.

131531268007 is a deficient number, since it is larger than the sum of its proper divisors (1).

131531268007 is an equidigital number, since it uses as much as digits as its factorization.

131531268007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 131531268007 in words is "one hundred thirty-one billion, five hundred thirty-one million, two hundred sixty-eight thousand, seven".