You are 43 years old if you were born on January 31, 1981.
You are 43 years 1 month, 4 weeks, and 1 day old or 518 months old or 2,251 weeks old or 15,763 days old or 378,312 hours old or 22,698,720 minutes old or 1,361,923,200 seconds old You were born on a Saturday.