3117757213 has 2 divisors, whose sum is σ = 3117757214. Its totient is φ = 3117757212.

The previous prime is 3117757189. The next prime is 3117757217. The reversal of 3117757213 is 3127577113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1812886084 + 1304871129 = 42578^2 + 36123^2 .

It is an emirp because it is prime and its reverse (3127577113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3117757213 - 2¹³ = 3117749021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3117757217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558878606 + 1558878607.

It is an arithmetic number, because the mean of its divisors is an integer number (1558878607).

Almost surely, 2^3117757213 is an apocalyptic number.

It is an amenable number.

3117757213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3117757213 is an equidigital number, since it uses as much as digits as its factorization.

3117757213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30870, while the sum is 37.

The square root of 3117757213 is about 55836.8804017560. The cubic root of 3117757213 is about 1460.8785000318.

The spelling of 3117757213 in words is "three billion, one hundred seventeen million, seven hundred fifty-seven thousand, two hundred thirteen".