Base | Representation |
---|---|
bin | 11011100011011… |
… | …00100010100101 |
3 | 121002220200112120 |
4 | 31301230202211 |
5 | 433132200201 |
6 | 34533540153 |
7 | 5504404122 |
oct | 1561544245 |
9 | 532820476 |
10 | 231131301 |
11 | 109516405 |
12 | 654a4659 |
13 | 38b671ab |
14 | 229a7749 |
15 | 15458536 |
hex | dc6c8a5 |
231131301 has 16 divisors (see below), whose sum is σ = 322254720. Its totient is φ = 147076160.
The previous prime is 231131273. The next prime is 231131317. The reversal of 231131301 is 103131132.
231131301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 231131301 - 211 = 231129253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231131401) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31831 + ... + 38411.
It is an arithmetic number, because the mean of its divisors is an integer number (20140920).
Almost surely, 2231131301 is an apocalyptic number.
It is an amenable number.
231131301 is a deficient number, since it is larger than the sum of its proper divisors (91123419).
231131301 is a wasteful number, since it uses less digits than its factorization.
231131301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7116.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 231131301 is about 15203.0030257183. The cubic root of 231131301 is about 613.6954752922.
Adding to 231131301 its reverse (103131132), we get a palindrome (334262433).
The spelling of 231131301 in words is "two hundred thirty-one million, one hundred thirty-one thousand, three hundred one".
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