3120317 has 2 divisors, whose sum is σ = 3120318. Its totient is φ = 3120316.

The previous prime is 3120311. The next prime is 3120319. The reversal of 3120317 is 7130213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1653796 + 1466521 = 1286^2 + 1211^2 .

It is an emirp because it is prime and its reverse (7130213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3120317 - 2⁶ = 3120253 is a prime.

Together with 3120319, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3120295 and 3120304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3120311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560158 + 1560159.

It is an arithmetic number, because the mean of its divisors is an integer number (1560159).

Almost surely, 2^3120317 is an apocalyptic number.

It is an amenable number.

3120317 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120317 is an equidigital number, since it uses as much as digits as its factorization.

3120317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 3120317 is about 1766.4419039414. The cubic root of 3120317 is about 146.1278201331.

The spelling of 3120317 in words is "three million, one hundred twenty thousand, three hundred seventeen".