3117557117 has 2 divisors, whose sum is σ = 3117557118. Its totient is φ = 3117557116.

The previous prime is 3117557089. The next prime is 3117557119. The reversal of 3117557117 is 7117557113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1696945636 + 1420611481 = 41194^2 + 37691^2 .

It is a cyclic number.

It is not a de Polignac number, because 3117557117 - 2²⁰ = 3116508541 is a prime.

Together with 3117557119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3117557119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558778558 + 1558778559.

It is an arithmetic number, because the mean of its divisors is an integer number (1558778559).

Almost surely, 2^3117557117 is an apocalyptic number.

It is an amenable number.

3117557117 is a deficient number, since it is larger than the sum of its proper divisors (1).

3117557117 is an equidigital number, since it uses as much as digits as its factorization.

3117557117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25725, while the sum is 38.

The square root of 3117557117 is about 55835.0885823601. The cubic root of 3117557117 is about 1460.8472465614.

The spelling of 3117557117 in words is "three billion, one hundred seventeen million, five hundred fifty-seven thousand, one hundred seventeen".