3129041317 has 2 divisors, whose sum is σ = 3129041318. Its totient is φ = 3129041316.

The previous prime is 3129041287. The next prime is 3129041323. The reversal of 3129041317 is 7131409213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2342463201 + 786578116 = 48399^2 + 28046^2 .

It is a cyclic number.

It is not a de Polignac number, because 3129041317 - 2²³ = 3120652709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3129045317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564520658 + 1564520659.

It is an arithmetic number, because the mean of its divisors is an integer number (1564520659).

Almost surely, 2^3129041317 is an apocalyptic number.

It is an amenable number.

3129041317 is a deficient number, since it is larger than the sum of its proper divisors (1).

3129041317 is an equidigital number, since it uses as much as digits as its factorization.

3129041317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 3129041317 is about 55937.8343967658. The cubic root of 3129041317 is about 1462.6388313625.

The spelling of 3129041317 in words is "three billion, one hundred twenty-nine million, forty-one thousand, three hundred seventeen".