Search a number
-
+
31103233330 = 2513972466553
BaseRepresentation
bin11100111101111001…
…011010110100110010
32222021122012221222211
4130331321122310302
51002144411431310
622142202122334
72150524056361
oct347571326462
988248187884
1031103233330
1112210a67614
1260404b03aa
132c18b086a0
141710b897d8
15c208ecc8a
hex73de5ad32

31103233330 has 32 divisors (see below), whose sum is σ = 60914017584. Its totient is φ = 11365871616.

The previous prime is 31103233319. The next prime is 31103233349. The reversal of 31103233330 is 3333230113.

It can be written as a sum of positive squares in 8 ways, for example, as 11483908569 + 19619324761 = 107163^2 + 140069^2 .

It is a super-2 number, since 2×311032333302 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220667 + ... + 1245886.

Almost surely, 231103233330 is an apocalyptic number.

31103233330 is a deficient number, since it is larger than the sum of its proper divisors (29810784254).

31103233330 is a wasteful number, since it uses less digits than its factorization.

31103233330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466670.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 31103233330 its reverse (3333230113), we get a palindrome (34436463443).

The spelling of 31103233330 in words is "thirty-one billion, one hundred three million, two hundred thirty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 13 26 65 97 130 194 485 970 1261 2522 6305 12610 2466553 4933106 12332765 24665530 32065189 64130378 160325945 239255641 320651890 478511282 1196278205 2392556410 3110323333 6220646666 15551616665 31103233330