318484147 has 2 divisors, whose sum is σ = 318484148. Its totient is φ = 318484146.

The previous prime is 318484121. The next prime is 318484163. The reversal of 318484147 is 741484813.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318484147 is a prime.

It is a super-3 number, since 3×318484147³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (318484247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159242073 + 159242074.

It is an arithmetic number, because the mean of its divisors is an integer number (159242074).

Almost surely, 2^318484147 is an apocalyptic number.

318484147 is a deficient number, since it is larger than the sum of its proper divisors (1).

318484147 is an equidigital number, since it uses as much as digits as its factorization.

318484147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 40.

The square root of 318484147 is about 17846.1241450350. The cubic root of 318484147 is about 682.9086387160.

The spelling of 318484147 in words is "three hundred eighteen million, four hundred eighty-four thousand, one hundred forty-seven".