31712314597 has 2 divisors, whose sum is σ = 31712314598. Its totient is φ = 31712314596.

The previous prime is 31712314589. The next prime is 31712314661. The reversal of 31712314597 is 79541321713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26447215876 + 5265098721 = 162626^2 + 72561^2 .

It is a cyclic number.

It is not a de Polignac number, because 31712314597 - 2³ = 31712314589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31712314577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15856157298 + 15856157299.

It is an arithmetic number, because the mean of its divisors is an integer number (15856157299).

Almost surely, 2^31712314597 is an apocalyptic number.

It is an amenable number.

31712314597 is a deficient number, since it is larger than the sum of its proper divisors (1).

31712314597 is an equidigital number, since it uses as much as digits as its factorization.

31712314597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 43.

The spelling of 31712314597 in words is "thirty-one billion, seven hundred twelve million, three hundred fourteen thousand, five hundred ninety-seven".