3313023221173 has 2 divisors, whose sum is σ = 3313023221174. Its totient is φ = 3313023221172.

The previous prime is 3313023221149. The next prime is 3313023221177. The reversal of 3313023221173 is 3711223203133.

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., 2525372296164 + 787650925009 = 1589142^2 + 887497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3313023221173 is a prime.

It is a super-2 number, since 2×3313023221173² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3313023221177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656511610586 + 1656511610587.

It is an arithmetic number, because the mean of its divisors is an integer number (1656511610587).

Almost surely, 2^{3313023221173} is an apocalyptic number.

It is an amenable number.

3313023221173 is a deficient number, since it is larger than the sum of its proper divisors (1).

3313023221173 is an equidigital number, since it uses as much as digits as its factorization.

3313023221173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 31.

The spelling of 3313023221173 in words is "three trillion, three hundred thirteen billion, twenty-three million, two hundred twenty-one thousand, one hundred seventy-three".