Base | Representation |
---|---|
bin | 1001010110011101111… |
… | …10101000000000111111 |
3 | 1010201022221211101100101 |
4 | 10223032332220000333 |
5 | 20231010311300411 |
6 | 403334144141531 |
7 | 32133054546562 |
oct | 4531676500077 |
9 | 1121287741311 |
10 | 321300103231 |
11 | 1142985940a8 |
12 | 5232a9078a7 |
13 | 243b59794a3 |
14 | 1179dd744d9 |
15 | 855763a8c1 |
hex | 4acefa803f |
321300103231 has 4 divisors (see below), whose sum is σ = 338210635000. Its totient is φ = 304389571464.
The previous prime is 321300103211. The next prime is 321300103237. The reversal of 321300103231 is 132301003123.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132301003123 = 337 ⋅392584579.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-321300103231 is a prime.
It is a super-2 number, since 2×3213001032312 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 16910531749 = 321300103231 / (3 + 2 + 1 + 3 + 0 + 0 + 1 + 0 + 3 + 2 + 3 + 1).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 321300103199 and 321300103208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (321300103237) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8455265856 + ... + 8455265893.
It is an arithmetic number, because the mean of its divisors is an integer number (84552658750).
Almost surely, 2321300103231 is an apocalyptic number.
321300103231 is a deficient number, since it is larger than the sum of its proper divisors (16910531769).
321300103231 is a wasteful number, since it uses less digits than its factorization.
321300103231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16910531768.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 321300103231 its reverse (132301003123), we get a palindrome (453601106354).
The spelling of 321300103231 in words is "three hundred twenty-one billion, three hundred million, one hundred three thousand, two hundred thirty-one".
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