A slightly larger one: 167474761

(Hey, I'm not a geek, I just pretend!)

Update Nov 5 2000:

A nice pyramid of palindromic primes;

                    2
                  30203
                133020331
              1713302033171
            12171330203317121
          151217133020331712151
        1815121713302033171215181
      16181512171330203317121518161
    331618151217133020331712151816133
  9333161815121713302033171215181613339
11933316181512171330203317121518161333911

And as a final snack: 10^35352 + 2049402*10^17673 + 1 is a palindromic prime with a 35353 digits - which again is a palindromic prime! Whee!!