3129314917 has 2 divisors, whose sum is σ = 3129314918. Its totient is φ = 3129314916.

The previous prime is 3129314897. The next prime is 3129314941. The reversal of 3129314917 is 7194139213.

3129314917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2895408481 + 233906436 = 53809^2 + 15294^2 .

It is an emirp because it is prime and its reverse (7194139213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3129314917 - 2¹¹ = 3129312869 is a prime.

It is a super-2 number, since 2×3129314917² = 19585223699517433778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3129314917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3129314957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564657458 + 1564657459.

It is an arithmetic number, because the mean of its divisors is an integer number (1564657459).

Almost surely, 2^3129314917 is an apocalyptic number.

It is an amenable number.

3129314917 is a deficient number, since it is larger than the sum of its proper divisors (1).

3129314917 is an equidigital number, since it uses as much as digits as its factorization.

3129314917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 40.

The square root of 3129314917 is about 55940.2799152811. The cubic root of 3129314917 is about 1462.6814606410.

The spelling of 3129314917 in words is "three billion, one hundred twenty-nine million, three hundred fourteen thousand, nine hundred seventeen".