3315213217 has 2 divisors, whose sum is σ = 3315213218. Its totient is φ = 3315213216.

The previous prime is 3315213203. The next prime is 3315213227. The reversal of 3315213217 is 7123125133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3272297616 + 42915601 = 57204^2 + 6551^2 .

It is a cyclic number.

It is not a de Polignac number, because 3315213217 - 2⁷ = 3315213089 is a prime.

It is not a weakly prime, because it can be changed into another prime (3315213227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1657606608 + 1657606609.

It is an arithmetic number, because the mean of its divisors is an integer number (1657606609).

Almost surely, 2^3315213217 is an apocalyptic number.

It is an amenable number.

3315213217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3315213217 is an equidigital number, since it uses as much as digits as its factorization.

3315213217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 28.

The square root of 3315213217 is about 57577.8882645065. Note that the first 3 decimals coincide. The cubic root of 3315213217 is about 1491.0898767472.

The spelling of 3315213217 in words is "three billion, three hundred fifteen million, two hundred thirteen thousand, two hundred seventeen".