Divisors of the Positive Integer 31

1, 31

Sum of all the Divisors of 31, including itself

32

Sum of the Proper Divisors of 31

1

Properties of the number 31

The integer 31 is an odd number.
The integer 31 is a Prime number.
1 is less than 31, so 31 is a deficient number.

The number 31 as a Roman Numeral

XXXI

The number 31 in various Numeral Systems

Base	Representation
2:	11111
3:	1011
4:	133
5:	111
6:	51
7:	43
8:	37
9:	34
10:	31
11:	29
12:	27
13:	25
14:	23
15:	21
16:	1F
17:	1E
18:	1D
19:	1C
20:	1B
21:	1A
22:	19
23:	18
24:	17
25:	16
26:	15
27:	14
28:	13
29:	12
30:	11
31:	10
32:	V
33:	V
34:	V
35:	V
36:	V