317073427997 has 2 divisors, whose sum is σ = 317073427998. Its totient is φ = 317073427996.

The previous prime is 317073427987. The next prime is 317073428017. The reversal of 317073427997 is 799724370713.

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., 231066721636 + 86006706361 = 480694^2 + 293269^2 .

It is an emirp because it is prime and its reverse (799724370713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317073427997 - 2⁶ = 317073427933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317073427987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158536713998 + 158536713999.

It is an arithmetic number, because the mean of its divisors is an integer number (158536713999).

Almost surely, 2^317073427997 is an apocalyptic number.

It is an amenable number.

317073427997 is a deficient number, since it is larger than the sum of its proper divisors (1).

317073427997 is an equidigital number, since it uses as much as digits as its factorization.

317073427997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14002632, while the sum is 59.

The spelling of 317073427997 in words is "three hundred seventeen billion, seventy-three million, four hundred twenty-seven thousand, nine hundred ninety-seven".