319122117 has 12 divisors (see below), whose sum is σ = 461390124. Its totient is φ = 212546880.

The previous prime is 319122109. The next prime is 319122127. The reversal of 319122117 is 711221913.

It can be written as a sum of positive squares in 2 ways, for example, as 309795201 + 9326916 = 17601^2 + 3054^2 .

It is not a de Polignac number, because 319122117 - 2³ = 319122109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319122127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6384 + ... + 26057.

It is an arithmetic number, because the mean of its divisors is an integer number (38449177).

Almost surely, 2^319122117 is an apocalyptic number.

It is an amenable number.

319122117 is a deficient number, since it is larger than the sum of its proper divisors (142268007).

319122117 is a wasteful number, since it uses less digits than its factorization.

319122117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33540 (or 33537 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 319122117 is about 17863.9893920703. The cubic root of 319122117 is about 683.3643229782.

The spelling of 319122117 in words is "three hundred nineteen million, one hundred twenty-two thousand, one hundred seventeen".