The temperature is actually pretty normal, don't worry about it.. it won't damage itself or anything, if at any point the temperature reaches a point where it could pose any damage the phone will power off automatically.
Phone: Samsung Galaxy Note 3 (4G-LTE | N9005) @ 2.3Ghz - Jet Black
Memory: 32GB with 16GB Ext-Memory
ROM: Unrooted Stock (UAE-Qatar ROM)
TouchWiz: TouchWiz UX - Android JB (4.3)
Phone: Samsung Galaxy S3 I-9300 @ 1.4Ghz
Memory: 16GB with 16GB Ext-Memory
ROM: Stock BTU (4.1.2 - rooted)
Phone: Samsung Galaxy SL I9003 RETIRED
I might NOT answer to questions asking for help by PM.