131812272531847 has 2 divisors, whose sum is σ = 131812272531848. Its totient is φ = 131812272531846.

The previous prime is 131812272531767. The next prime is 131812272531851. The reversal of 131812272531847 is 748135272218131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131812272531847 - 2³⁵ = 131777912793479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131812272532847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65906136265923 + 65906136265924.

It is an arithmetic number, because the mean of its divisors is an integer number (65906136265924).

Almost surely, 2^{131812272531847} is an apocalyptic number.

131812272531847 is a deficient number, since it is larger than the sum of its proper divisors (1).

131812272531847 is an equidigital number, since it uses as much as digits as its factorization.

131812272531847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 55.

The spelling of 131812272531847 in words is "one hundred thirty-one trillion, eight hundred twelve billion, two hundred seventy-two million, five hundred thirty-one thousand, eight hundred forty-seven".