Base | Representation |
---|---|
bin | 11000110011110111… |
… | …11000101111110111 |
3 | 1021101021222200202202 |
4 | 30121323320233313 |
5 | 204234411444343 |
6 | 10041422255115 |
7 | 651040253162 |
oct | 143173705767 |
9 | 37337880682 |
10 | 13320031223 |
11 | 57158a0674 |
12 | 26b8a2749b |
13 | 13437941a5 |
14 | 905074ad9 |
15 | 52e5badb8 |
hex | 319ef8bf7 |
13320031223 has 2 divisors, whose sum is σ = 13320031224. Its totient is φ = 13320031222.
The previous prime is 13320031163. The next prime is 13320031247. The reversal of 13320031223 is 32213002331.
It is a strong prime.
It is an emirp because it is prime and its reverse (32213002331) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13320031223 - 224 = 13303254007 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13320031195 and 13320031204.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13320034223) by changing a digit.
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 as a sum of consecutive naturals, namely, 6660015611 + 6660015612.
It is an arithmetic number, because the mean of its divisors is an integer number (6660015612).
Almost surely, 213320031223 is an apocalyptic number.
13320031223 is a deficient number, since it is larger than the sum of its proper divisors (1).
13320031223 is an equidigital number, since it uses as much as digits as its factorization.
13320031223 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 13320031223 its reverse (32213002331), we get a palindrome (45533033554).
The spelling of 13320031223 in words is "thirteen billion, three hundred twenty million, thirty-one thousand, two hundred twenty-three".
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