Board Thread:Naruto Discussions/@comment-732150-20150403223925/@comment-25632268-20150408191428

Yalocalsupahero wrote: You remember Kakuzu sewing him back together, and Shikamaru burying him alive? He's immortal but it doesn't seem like he has an edge on repairing damage just surviving it.

Hidan probably could heal himself, but only to the extent any human body can. He was just "immune" to damage that was normally lethal. So yeah, no surviving Eight Gate for him, he would just disintegrate.