In 3100 there are 310 tens.
3100
3100 of them.
There are 49,600 ounces in 3100 pounds.
3100/100 = 31
3100 mi. = 4988.966 km
3100 meters = 3,390.2 yards.
1000 g = 1 kg ⇒ 3100 g = 3100 ÷ 1000 kg = 3.1 kg
3100 mL = about 104.8 US fluid ounces.
3100 naut = 3567.42 mi
There are 1000 metres in one kilometre. Therefore, 3100 metres is equal to 3100/1000 = 3.1 kilometres.
As of today (02APR2011), 3100 Euros is worth about 2178 Euros.