Base | Representation |
---|---|
bin | 1000010010000011… |
… | …1101000101100011 |
3 | 12201221101212001011 |
4 | 2010200331011203 |
5 | 14023121400311 |
6 | 1004335321351 |
7 | 106044103666 |
oct | 20440750543 |
9 | 5657355034 |
10 | 2223231331 |
11 | a40a57672 |
12 | 520680257 |
13 | 2957a67c9 |
14 | 1713a76dd |
15 | d02aa321 |
hex | 8483d163 |
2223231331 has 2 divisors, whose sum is σ = 2223231332. Its totient is φ = 2223231330.
The previous prime is 2223231301. The next prime is 2223231343. The reversal of 2223231331 is 1331323222.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2223231331 - 25 = 2223231299 is a prime.
It is a super-2 number, since 2×22232313312 = 9885515102280063122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2223231301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111615665 + 1111615666.
It is an arithmetic number, because the mean of its divisors is an integer number (1111615666).
Almost surely, 22223231331 is an apocalyptic number.
2223231331 is a deficient number, since it is larger than the sum of its proper divisors (1).
2223231331 is an equidigital number, since it uses as much as digits as its factorization.
2223231331 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1296, while the sum is 22.
The square root of 2223231331 is about 47151.1540791951. The cubic root of 2223231331 is about 1305.1533768634.
Adding to 2223231331 its reverse (1331323222), we get a palindrome (3554554553).
The spelling of 2223231331 in words is "two billion, two hundred twenty-three million, two hundred thirty-one thousand, three hundred thirty-one".
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