Base | Representation |
---|---|
bin | 11011100100110… |
… | …01001010111111 |
3 | 121010020222022022 |
4 | 31302121022333 |
5 | 433204022421 |
6 | 34541510355 |
7 | 5506065110 |
oct | 1562311277 |
9 | 533228268 |
10 | 231314111 |
11 | 109630796 |
12 | 655723bb |
13 | 38bcc472 |
14 | 22a14207 |
15 | 154927ab |
hex | dc992bf |
231314111 has 16 divisors (see below), whose sum is σ = 268531200. Its totient is φ = 195158688.
The previous prime is 231314099. The next prime is 231314123. The reversal of 231314111 is 111413132.
It is an interprime number because it is at equal distance from previous prime (231314099) and next prime (231314123).
It is a cyclic number.
It is not a de Polignac number, because 231314111 - 218 = 231051967 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 231314111.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231314141) 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 in 15 ways as a sum of consecutive naturals, for example, 208025 + ... + 209133.
It is an arithmetic number, because the mean of its divisors is an integer number (16783200).
Almost surely, 2231314111 is an apocalyptic number.
231314111 is a deficient number, since it is larger than the sum of its proper divisors (37217089).
231314111 is a wasteful number, since it uses less digits than its factorization.
231314111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1558.
The product of its digits is 72, while the sum is 17.
The square root of 231314111 is about 15209.0141363601. The cubic root of 231314111 is about 613.8572305429.
Adding to 231314111 its reverse (111413132), we get a palindrome (342727243).
The spelling of 231314111 in words is "two hundred thirty-one million, three hundred fourteen thousand, one hundred eleven".
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