Hello John

31,102 is prime range 3350

The 3,350th prime is the 2,161st prime backwards.
3350-2161 = 1189

3350-1621 = 1729, 1621 is the 257th prime, the 55th prime, day 257 14 9, and 1729 pm is 5:29, 5 29 is day 149

1621 hours is 4:21 pm and 4 21 is day 111


3350 - 1924 backward = 149 backward

3+350 = 353, 149 the 35th prime

533?
 
5:33 pm is 1733  hours

2028-1733 = 295, 29 5 day 149

2028 hours is 8:28 pm

828 = 216+216 backward

Counting 828 to 666 = 163

David E