You are 121 years old if you were born on March 31, 1903.
You are 121 years 3 weeks, and 4 days old or 1453 months old or 6,317 weeks old or 44,221 days old or 1,061,304 hours old or 63,678,240 minutes old or 3,820,694,400 seconds old You were born on a Tuesday.