# PalPrimes

A palindromic-prime or PalPrime is a prime number that is also a palindrome.The first few PalPrimes are $$2, 3, 5, 7, 11, 101, 131, 151, 181, 191...$$. Let $$S$$ be the sum of the digits of the largest PalPrime $$N$$ such that $$N<10^9$$.What is the value of $$S$$?

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