318347 has 2 divisors, whose sum is σ = 318348. Its totient is φ = 318346.

The previous prime is 318337. The next prime is 318349. The reversal of 318347 is 743813.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 318347 - 2¹⁰ = 317323 is a prime.

Together with 318349, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 318347.

It is not a weakly prime, because it can be changed into another prime (318349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159173 + 159174.

It is an arithmetic number, because the mean of its divisors is an integer number (159174).

2³¹⁸³⁴⁷ is an apocalyptic number.

318347 is a deficient number, since it is larger than the sum of its proper divisors (1).

318347 is an equidigital number, since it uses as much as digits as its factorization.

318347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 318347 is about 564.2224738523. Note that the first 3 decimals coincide. The cubic root of 318347 is about 68.2810598966.

The spelling of 318347 in words is "three hundred eighteen thousand, three hundred forty-seven".