3220302120173 has 2 divisors, whose sum is σ = 3220302120174. Its totient is φ = 3220302120172.

The previous prime is 3220302120151. The next prime is 3220302120247. The reversal of 3220302120173 is 3710212030223.

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., 3172737563524 + 47564556649 = 1781218^2 + 218093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3220302120173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220302123173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610151060086 + 1610151060087.

It is an arithmetic number, because the mean of its divisors is an integer number (1610151060087).

Almost surely, 2^{3220302120173} is an apocalyptic number.

It is an amenable number.

3220302120173 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220302120173 is an equidigital number, since it uses as much as digits as its factorization.

3220302120173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 3220302120173 its reverse (3710212030223), we get a palindrome (6930514150396).

The spelling of 3220302120173 in words is "three trillion, two hundred twenty billion, three hundred two million, one hundred twenty thousand, one hundred seventy-three".