3191348117 has 2 divisors, whose sum is σ = 3191348118. Its totient is φ = 3191348116.

The previous prime is 3191348113. The next prime is 3191348143. The reversal of 3191348117 is 7118431913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2581554481 + 609793636 = 50809^2 + 24694^2 .

It is a cyclic number.

It is not a de Polignac number, because 3191348117 - 2² = 3191348113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3191348113) 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, 1595674058 + 1595674059.

It is an arithmetic number, because the mean of its divisors is an integer number (1595674059).

Almost surely, 2^3191348117 is an apocalyptic number.

It is an amenable number.

3191348117 is a deficient number, since it is larger than the sum of its proper divisors (1).

3191348117 is an equidigital number, since it uses as much as digits as its factorization.

3191348117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 38.

The square root of 3191348117 is about 56492.0181707115. The cubic root of 3191348117 is about 1472.2833253477.

The spelling of 3191348117 in words is "three billion, one hundred ninety-one million, three hundred forty-eight thousand, one hundred seventeen".