3130309397 has 2 divisors, whose sum is σ = 3130309398. Its totient is φ = 3130309396.

The previous prime is 3130309349. The next prime is 3130309471. The reversal of 3130309397 is 7939030313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1873677796 + 1256631601 = 43286^2 + 35449^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130309397 - 2²⁴ = 3113532181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3130309397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3130309597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565154698 + 1565154699.

It is an arithmetic number, because the mean of its divisors is an integer number (1565154699).

Almost surely, 2^3130309397 is an apocalyptic number.

It is an amenable number.

3130309397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130309397 is an equidigital number, since it uses as much as digits as its factorization.

3130309397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45927, while the sum is 38.

The square root of 3130309397 is about 55949.1679741531. The cubic root of 3130309397 is about 1462.8363884166.

The spelling of 3130309397 in words is "three billion, one hundred thirty million, three hundred nine thousand, three hundred ninety-seven".