added reverseNumber method

Author: zubayerhimel

lib/number.js

@@ -156,3 +156,14 @@ export function getPrimeList(number) {
 export function randomNumber(min, max) {
   return Math.floor(Math.random() * (max - min + 1)) + min;
 }
+
+/**
+ * Pass a number and get the reverse of that number with actual sign
+ * reverseNumber(32) // 23
+ * reverseNumber(-32) // -23
+ * @param {*} number
+ */
+export function reverseNumber(number) {
+  let reversed = number.toString().split("").reverse().join("");
+  return parseInt(reversed) * Math.sign(number);
+}