Facebook have a way of calculating real likes from auto likes. And they update their users in round figures of 10,000; 15,000; 20,000; 25,000, 30,000 etc
SIR A-ONE got below message days ago from Facebook:
Eruemuare, your friends have liked your posts 31,000 times!
We’re glad you’re getting support from your friends and hope this has made the world feel a little closer.