Base | Representation |
---|---|
bin | 1101011101101011011… |
… | …1000011010110001001 |
3 | 211010001001102010120120 |
4 | 3113122313003112021 |
5 | 12242203103201101 |
6 | 254132103413453 |
7 | 22465646114451 |
oct | 3273267032611 |
9 | 733031363516 |
10 | 231305131401 |
11 | 8a106797823 |
12 | 389b3754289 |
13 | 18a72bc7a76 |
14 | b2a39c4d61 |
15 | 603b953b36 |
hex | 35dadc3589 |
231305131401 has 8 divisors (see below), whose sum is σ = 309212083200. Its totient is φ = 153800800272.
The previous prime is 231305131391. The next prime is 231305131403. The reversal of 231305131401 is 104131503132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 231305131401 - 222 = 231300937097 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231305131403) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100653826 + ... + 100656123.
It is an arithmetic number, because the mean of its divisors is an integer number (38651510400).
Almost surely, 2231305131401 is an apocalyptic number.
It is an amenable number.
231305131401 is a deficient number, since it is larger than the sum of its proper divisors (77906951799).
231305131401 is a wasteful number, since it uses less digits than its factorization.
231305131401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 201310335.
The product of its (nonzero) digits is 1080, while the sum is 24.
Adding to 231305131401 its reverse (104131503132), we get a palindrome (335436634533).
The spelling of 231305131401 in words is "two hundred thirty-one billion, three hundred five million, one hundred thirty-one thousand, four hundred one".
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