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!!