Base | Representation |
---|---|
bin | 11010100110001… |
… | …10111110101011 |
3 | 120112211022200022 |
4 | 31103012332223 |
5 | 424104110011 |
6 | 34050031055 |
7 | 5346300413 |
oct | 1523067653 |
9 | 515738608 |
10 | 223113131 |
11 | 104a3a21a |
12 | 6287848b |
13 | 372ba707 |
14 | 218bb643 |
15 | 148c28db |
hex | d4c6fab |
223113131 has 8 divisors (see below), whose sum is σ = 225387120. Its totient is φ = 220848768.
The previous prime is 223113127. The next prime is 223113139. The reversal of 223113131 is 131311322.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 223113131 - 22 = 223113127 is a prime.
It is a super-3 number, since 3×2231131313 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (223113139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49775 + ... + 54071.
It is an arithmetic number, because the mean of its divisors is an integer number (28173390).
Almost surely, 2223113131 is an apocalyptic number.
223113131 is a deficient number, since it is larger than the sum of its proper divisors (2273989).
223113131 is a wasteful number, since it uses less digits than its factorization.
223113131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4813.
The product of its digits is 108, while the sum is 17.
The square root of 223113131 is about 14936.9719488255. The cubic root of 223113131 is about 606.5152293118.
Adding to 223113131 its reverse (131311322), we get a palindrome (354424453).
The spelling of 223113131 in words is "two hundred twenty-three million, one hundred thirteen thousand, one hundred thirty-one".
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