The number 0.318564318564318564.... is:
a natural number
an integer
a rational number
an irrational number
The number 0.318564318564318564....
= 0.¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯318564
∵ The decimal is non-terminating and recurring
∴ It is rational number.