He spoke Aramaic, but he was Jewish and Jewish people learn Hebrew reading and writing. He was well versed in scripture, so he probably did know how to read. The Bible talks about him spending a lot of time at the temple as a child, where he likely learned to read and write.
Technically yes, but if he knew how to write, which is already a highly questionable thing, then it would likely not be in Latin.
He spoke Aramaic, but he was Jewish and Jewish people learn Hebrew reading and writing. He was well versed in scripture, so he probably did know how to read. The Bible talks about him spending a lot of time at the temple as a child, where he likely learned to read and write.
The bible also says he performed a bunch of magic tricks, as well as a bunch of other nonsense.