Unable to get Folder using API

While trying to get the folder using get foldes API

https://api.box.com/2.0/folders/313364836563

I am getting following response

{

    "type": "error",

    "status": 404,

    "code": "not_found",

    "help_url": "http://developers.box.com/docs/#errors",

    "message": "Not Found",

    "request_id": "1cpjxci01o6wztvh"

}