131443255334987 has 2 divisors, whose sum is σ = 131443255334988. Its totient is φ = 131443255334986.

The previous prime is 131443255334947. The next prime is 131443255335109. The reversal of 131443255334987 is 789433552344131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131443255334987 - 2³⁴ = 131426075465803 is a prime.

It is not a weakly prime, because it can be changed into another prime (131443255334947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65721627667493 + 65721627667494.

It is an arithmetic number, because the mean of its divisors is an integer number (65721627667494).

Almost surely, 2^{131443255334987} is an apocalyptic number.

131443255334987 is a deficient number, since it is larger than the sum of its proper divisors (1).

131443255334987 is an equidigital number, since it uses as much as digits as its factorization.

131443255334987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 130636800, while the sum is 62.

The spelling of 131443255334987 in words is "one hundred thirty-one trillion, four hundred forty-three billion, two hundred fifty-five million, three hundred thirty-four thousand, nine hundred eighty-seven".