Base | Representation |
---|---|
bin | 11101001011100111… |
… | …000011111111010110 |
3 | 2222212200010200012012 |
4 | 131023213003333112 |
5 | 1003132311132410 |
6 | 22221101224222 |
7 | 2156316450236 |
oct | 351347037726 |
9 | 88780120165 |
10 | 31333302230 |
11 | 123199177aa |
12 | 60a5562072 |
13 | 2c54690129 |
14 | 1733557cc6 |
15 | c35be6605 |
hex | 74b9c3fd6 |
31333302230 has 16 divisors (see below), whose sum is σ = 59368362480. Its totient is φ = 11873672352.
The previous prime is 31333302167. The next prime is 31333302239. The reversal of 31333302230 is 3220333313.
It is a junction number, because it is equal to n+sod(n) for n = 31333302196 and 31333302205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31333302239) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82455869 + ... + 82456248.
It is an arithmetic number, because the mean of its divisors is an integer number (3710522655).
Almost surely, 231333302230 is an apocalyptic number.
31333302230 is a deficient number, since it is larger than the sum of its proper divisors (28035060250).
31333302230 is a wasteful number, since it uses less digits than its factorization.
31333302230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164912143.
The product of its (nonzero) digits is 2916, while the sum is 23.
Adding to 31333302230 its reverse (3220333313), we get a palindrome (34553635543).
The spelling of 31333302230 in words is "thirty-one billion, three hundred thirty-three million, three hundred two thousand, two hundred thirty".
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