173313010217 has 2 divisors, whose sum is σ = 173313010218. Its totient is φ = 173313010216.

The previous prime is 173313010121. The next prime is 173313010219. The reversal of 173313010217 is 712010313371.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148459172416 + 24853837801 = 385304^2 + 157651^2 .

It is a cyclic number.

It is not a de Polignac number, because 173313010217 - 2¹⁸ = 173312748073 is a prime.

Together with 173313010219, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 173313010217.

It is not a weakly prime, because it can be changed into another prime (173313010219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86656505108 + 86656505109.

It is an arithmetic number, because the mean of its divisors is an integer number (86656505109).

Almost surely, 2^173313010217 is an apocalyptic number.

It is an amenable number.

173313010217 is a deficient number, since it is larger than the sum of its proper divisors (1).

173313010217 is an equidigital number, since it uses as much as digits as its factorization.

173313010217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 29.

Adding to 173313010217 its reverse (712010313371), we get a palindrome (885323323588).

The spelling of 173313010217 in words is "one hundred seventy-three billion, three hundred thirteen million, ten thousand, two hundred seventeen".