442543457131 has 2 divisors, whose sum is σ = 442543457132. Its totient is φ = 442543457130.

The previous prime is 442543457113. The next prime is 442543457143. The reversal of 442543457131 is 131754345244.

Together with previous prime (442543457113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442543457131 - 2¹⁷ = 442543326059 is a prime.

It is a super-2 number, since 2×442543457131² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (442543857131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221271728565 + 221271728566.

It is an arithmetic number, because the mean of its divisors is an integer number (221271728566).

Almost surely, 2^442543457131 is an apocalyptic number.

442543457131 is a deficient number, since it is larger than the sum of its proper divisors (1).

442543457131 is an equidigital number, since it uses as much as digits as its factorization.

442543457131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 43.

The spelling of 442543457131 in words is "four hundred forty-two billion, five hundred forty-three million, four hundred fifty-seven thousand, one hundred thirty-one".