131442213333997 has 2 divisors, whose sum is σ = 131442213333998. Its totient is φ = 131442213333996.

The previous prime is 131442213333979. The next prime is 131442213334021. The reversal of 131442213333997 is 799333312244131.

Together with previous prime (131442213333979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127212367091716 + 4229846242281 = 11278846^2 + 2056659^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131442213333997 is a prime.

It is a super-2 number, since 2×131442213333997² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131442213333397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65721106666998 + 65721106666999.

It is an arithmetic number, because the mean of its divisors is an integer number (65721106666999).

Almost surely, 2^{131442213333997} is an apocalyptic number.

It is an amenable number.

131442213333997 is a deficient number, since it is larger than the sum of its proper divisors (1).

131442213333997 is an equidigital number, since it uses as much as digits as its factorization.

131442213333997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 55.

The spelling of 131442213333997 in words is "one hundred thirty-one trillion, four hundred forty-two billion, two hundred thirteen million, three hundred thirty-three thousand, nine hundred ninety-seven".