3120340393 has 2 divisors, whose sum is σ = 3120340394. Its totient is φ = 3120340392.

The previous prime is 3120340369. The next prime is 3120340423. The reversal of 3120340393 is 3930430213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2799679744 + 320660649 = 52912^2 + 17907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3120340393 is a prime.

It is not a weakly prime, because it can be changed into another prime (3120320393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560170196 + 1560170197.

It is an arithmetic number, because the mean of its divisors is an integer number (1560170197).

Almost surely, 2^3120340393 is an apocalyptic number.

It is an amenable number.

3120340393 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120340393 is an equidigital number, since it uses as much as digits as its factorization.

3120340393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 3120340393 is about 55860.0070981019. The cubic root of 3120340393 is about 1461.2818530539.

The spelling of 3120340393 in words is "three billion, one hundred twenty million, three hundred forty thousand, three hundred ninety-three".