Base | Representation |
---|---|
bin | 11100111101111001… |
… | …110000111111011010 |
3 | 2222021122101120112111 |
4 | 130331321300333122 |
5 | 1002144422332442 |
6 | 22142204102534 |
7 | 2150524615153 |
oct | 347571607732 |
9 | 88248346474 |
10 | 31103324122 |
11 | 12211019852 |
12 | 6040534a4a |
13 | 2c18b3ab00 |
14 | 1710bb092a |
15 | c20919b17 |
hex | 73de70fda |
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".
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