You are 73 years old if you were born on January 31, 1951.
You are 73 years 1 month, 4 weeks, and 1 day old or 878 months old or 3,817 weeks old or 26,721 days old or 641,304 hours old or 38,478,240 minutes old or 2,308,694,400 seconds old You were born on a Wednesday.