31842520360589 has 2 divisors, whose sum is σ = 31842520360590. Its totient is φ = 31842520360588.

The previous prime is 31842520360559. The next prime is 31842520360661. The reversal of 31842520360589 is 98506302524813.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31433122575625 + 409397784964 = 5606525^2 + 639842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31842520360589 is a prime.

It is a super-2 number, since 2×31842520360589² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31842520360559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15921260180294 + 15921260180295.

It is an arithmetic number, because the mean of its divisors is an integer number (15921260180295).

Almost surely, 2^{31842520360589} is an apocalyptic number.

It is an amenable number.

31842520360589 is a deficient number, since it is larger than the sum of its proper divisors (1).

31842520360589 is an equidigital number, since it uses as much as digits as its factorization.

31842520360589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12441600, while the sum is 56.

The spelling of 31842520360589 in words is "thirty-one trillion, eight hundred forty-two billion, five hundred twenty million, three hundred sixty thousand, five hundred eighty-nine".