I wonder if this combined with a greenhouse atmosphere could keep it warm enough between flares. If it has life, I wonder if the flare cycle would be just as important as the seasonal cycle on earth.
Have you read Three body problem? Park of that is about a species that likes on a planet in a (chaotic) three star system. They alternate between intense heat and freezing darkness with the occasional "golden age". The books are more earth centred but very good...
Set around a star that alternates between bright and dim, with a species that hibernates during the dim periods.