317706448187 has 2 divisors, whose sum is σ = 317706448188. Its totient is φ = 317706448186.

The previous prime is 317706448117. The next prime is 317706448303. The reversal of 317706448187 is 781844607713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317706448187 - 2¹² = 317706444091 is a prime.

It is not a weakly prime, because it can be changed into another prime (317706448117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158853224093 + 158853224094.

It is an arithmetic number, because the mean of its divisors is an integer number (158853224094).

Almost surely, 2^317706448187 is an apocalyptic number.

317706448187 is a deficient number, since it is larger than the sum of its proper divisors (1).

317706448187 is an equidigital number, since it uses as much as digits as its factorization.

317706448187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6322176, while the sum is 56.

The spelling of 317706448187 in words is "three hundred seventeen billion, seven hundred six million, four hundred forty-eight thousand, one hundred eighty-seven".