2195306317 has 2 divisors, whose sum is σ = 2195306318. Its totient is φ = 2195306316.

The previous prime is 2195306291. The next prime is 2195306327. The reversal of 2195306317 is 7136035912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2180049481 + 15256836 = 46691^2 + 3906^2 .

It is a cyclic number.

It is not a de Polignac number, because 2195306317 - 2¹¹ = 2195304269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2195306327) 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, 1097653158 + 1097653159.

It is an arithmetic number, because the mean of its divisors is an integer number (1097653159).

Almost surely, 2^2195306317 is an apocalyptic number.

It is an amenable number.

2195306317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195306317 is an equidigital number, since it uses as much as digits as its factorization.

2195306317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 2195306317 is about 46854.0960536003. The cubic root of 2195306317 is about 1299.6658543569.

The spelling of 2195306317 in words is "two billion, one hundred ninety-five million, three hundred six thousand, three hundred seventeen".