Base | Representation |
---|---|
bin | 101000000001111… |
… | …1111100110100111 |
3 | 10110121111212020121 |
4 | 1100003333212213 |
5 | 10222331133411 |
6 | 341141542411 |
7 | 45200134426 |
oct | 12003774647 |
9 | 3417455217 |
10 | 1343224231 |
11 | 62a240278 |
12 | 315a14a07 |
13 | 18539024b |
14 | ca5732bd |
15 | 7cdcc571 |
hex | 500ff9a7 |
1343224231 has 2 divisors, whose sum is σ = 1343224232. Its totient is φ = 1343224230.
The previous prime is 1343224229. The next prime is 1343224243. The reversal of 1343224231 is 1324223431.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1343224231 - 21 = 1343224229 is a prime.
It is a super-2 number, since 2×13432242312 = 3608502669491082722, which contains 22 as substring.
Together with 1343224229, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 1343224196 and 1343224205.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1343224261) 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, 671612115 + 671612116.
It is an arithmetic number, because the mean of its divisors is an integer number (671612116).
Almost surely, 21343224231 is an apocalyptic number.
1343224231 is a deficient number, since it is larger than the sum of its proper divisors (1).
1343224231 is an equidigital number, since it uses as much as digits as its factorization.
1343224231 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3456, while the sum is 25.
The square root of 1343224231 is about 36650.0236152721. The cubic root of 1343224231 is about 1103.3572995426.
Adding to 1343224231 its reverse (1324223431), we get a palindrome (2667447662).
The spelling of 1343224231 in words is "one billion, three hundred forty-three million, two hundred twenty-four thousand, two hundred thirty-one".
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