Base | Representation |
---|---|
bin | 1000001111101001… |
… | …0110000111010111 |
3 | 12201020100122111121 |
4 | 2003322112013113 |
5 | 14013024011411 |
6 | 1003334344411 |
7 | 105562061263 |
oct | 20372260727 |
9 | 5636318447 |
10 | 2213110231 |
11 | a36274522 |
12 | 5191bb107 |
13 | 293671aa7 |
14 | 16dcd10a3 |
15 | ce45b571 |
hex | 83e961d7 |
2213110231 has 2 divisors, whose sum is σ = 2213110232. Its totient is φ = 2213110230.
The previous prime is 2213110199. The next prime is 2213110271. The reversal of 2213110231 is 1320113122.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2213110231 - 25 = 2213110199 is a prime.
It is a super-2 number, since 2×22131102312 = 9795713789113746722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2213110271) 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 as a sum of consecutive naturals, namely, 1106555115 + 1106555116.
It is an arithmetic number, because the mean of its divisors is an integer number (1106555116).
Almost surely, 22213110231 is an apocalyptic number.
2213110231 is a deficient number, since it is larger than the sum of its proper divisors (1).
2213110231 is an equidigital number, since it uses as much as digits as its factorization.
2213110231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 2213110231 is about 47043.7055406991. The cubic root of 2213110231 is about 1303.1698250034.
Adding to 2213110231 its reverse (1320113122), we get a palindrome (3533223353).
The spelling of 2213110231 in words is "two billion, two hundred thirteen million, one hundred ten thousand, two hundred thirty-one".
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