Palidrom Number

#!/bin/bash
# Check the Given Number is Palindrom or Not

echo -n "Enter a Number : "
read n

length=${#n}
rem=0
rno=0
origin=$n
while [ $n -ne 0 ]
do
rem=`expr $n % 10`
rno=`expr $rno \* 10 + $rem`
n=`expr $n / 10`
done

if [ $origin -eq $rno ]
then
echo -e "\n\n\t$origin is Palidrom.\n"
else
echo -e "\n\t$origin is not Palidrom.\n"
fi