11.11
Although if you restrict yourself to integers, the answer is 22
No.
2002
No, 11 is the only palindromic prime with an even number of digits.
36063 Then... 36163 36263
11
343 is the palindromic and cube number.7*7*7=3437 is being times three times by itself to get this palindromic and cube number.Also 1331 is a palindromic and cube number.11*11*11=133111 is being times three times by itself to get this palindromic and cube number.
No.
206602
2002
No, 11 is the only palindromic prime with an even number of digits.
11
36063 Then... 36163 36263
11
11
11
11
Yes, there are many palindromic numbers that are not evenly divisible by 11 such as 181, 232, 454, 585, 10001, 17871, etc.