Half of a number is the result of dividing the number by 2. In this case, half of 31 is 31 divided by 2, which equals 15.5.
Half of 21 is 15.5
An infinite number of multiples of 31 can be divided by 31.
0.0323
31 is a prime number so it can only be divided by 1 and 31.
31 divided 200 = 0.155
31
31
0.871
14300
31
14 divided by 31 is 45.16%.