Yes, depending on the model and condition, You did not hit the lottery, but there is some collector interest in these out-of-manufacture revolvers. We can't tell you how much without some info from you.
Depends on condition and features
Virtually impossible to tell the calibre of any weapon by just the serial number
The value of a Titan handgun 32 cal is $159.99.
50-150 or so
No.
20-80 USD or so
50-200 USD depending on condition.
40 USD or so
50-150 USD
100-1000 depending on EXACTLY what you have.
50-100 usd
Very little. This is good fodder for a gun turn-in program.