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31103324122 = 2132299732713
BaseRepresentation
bin11100111101111001…
…110000111111011010
32222021122101120112111
4130331321300333122
51002144422332442
622142204102534
72150524615153
oct347571607732
988248346474
1031103324122
1112211019852
126040534a4a
132c18b3ab00
141710bb092a
15c20919b17
hex73de70fda

31103324122 has 48 divisors (see below), whose sum is σ = 52802358840. Its totient is φ = 13717057536.

The previous prime is 31103324111. The next prime is 31103324167. The reversal of 31103324122 is 22142330113.

It can be written as a sum of positive squares in 12 ways, for example, as 121801 + 31103202321 = 349^2 + 176361^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31103324093 and 31103324102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 934438 + ... + 967150.

Almost surely, 231103324122 is an apocalyptic number.

31103324122 is a deficient number, since it is larger than the sum of its proper divisors (21699034718).

31103324122 is a wasteful number, since it uses less digits than its factorization.

31103324122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32867 (or 32854 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31103324122 its reverse (22142330113), we get a palindrome (53245654235).

The spelling of 31103324122 in words is "thirty-one billion, one hundred three million, three hundred twenty-four thousand, one hundred twenty-two".

Divisors: 1 2 13 26 29 58 97 169 194 338 377 754 1261 2522 2813 4901 5626 9802 16393 32713 32786 36569 65426 73138 425269 475397 850538 948677 950794 1897354 3173161 5528497 6346322 11056994 12332801 24665602 41251093 82502186 92021669 160326413 184043338 320652826 536264209 1072528418 1196281697 2392563394 15551662061 31103324122