131371894793 has 2 divisors, whose sum is σ = 131371894794. Its totient is φ = 131371894792.

The previous prime is 131371894741. The next prime is 131371894847. The reversal of 131371894793 is 397498173131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104010765049 + 27361129744 = 322507^2 + 165412^2 .

It is a cyclic number.

It is not a de Polignac number, because 131371894793 - 2¹² = 131371890697 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (131371894723) 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, 65685947396 + 65685947397.

It is an arithmetic number, because the mean of its divisors is an integer number (65685947397).

Almost surely, 2^131371894793 is an apocalyptic number.

It is an amenable number.

131371894793 is a deficient number, since it is larger than the sum of its proper divisors (1).

131371894793 is an equidigital number, since it uses as much as digits as its factorization.

131371894793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 56.

The spelling of 131371894793 in words is "one hundred thirty-one billion, three hundred seventy-one million, eight hundred ninety-four thousand, seven hundred ninety-three".