Base | Representation |
---|---|
bin | 110100100101000000011000… |
… | …000100110110111010101111 |
3 | 1010022202110120202121202000220 |
4 | 310211000120010312322233 |
5 | 220302124433421041333 |
6 | 2135450504043422423 |
7 | 66464433346432623 |
oct | 6445003004667257 |
9 | 1108673522552026 |
10 | 231241443143343 |
11 | 67753a44225486 |
12 | 21b28183524a13 |
13 | 9c04c89041349 |
14 | 4116207609183 |
15 | 1bb01c20a38b3 |
hex | d25018136eaf |
231241443143343 has 64 divisors (see below), whose sum is σ = 326746399703040. Its totient is φ = 145176646032000.
The previous prime is 231241443143317. The next prime is 231241443143363. The reversal of 231241443143343 is 343341344142132.
It is not a de Polignac number, because 231241443143343 - 213 = 231241443135151 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 231241443143295 and 231241443143304.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231241443143363) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 883350168 + ... + 883611906.
It is an arithmetic number, because the mean of its divisors is an integer number (5105412495360).
Almost surely, 2231241443143343 is an apocalyptic number.
231241443143343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
231241443143343 is a deficient number, since it is larger than the sum of its proper divisors (95504956559697).
231241443143343 is a wasteful number, since it uses less digits than its factorization.
231241443143343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 262580.
The product of its digits is 995328, while the sum is 42.
Adding to 231241443143343 its reverse (343341344142132), we get a palindrome (574582787285475).
The spelling of 231241443143343 in words is "two hundred thirty-one trillion, two hundred forty-one billion, four hundred forty-three million, one hundred forty-three thousand, three hundred forty-three".
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