Base | Representation |
---|---|
bin | 11011100010011… |
… | …11111110111011 |
3 | 121002200202002100 |
4 | 31301033332323 |
5 | 433114424311 |
6 | 34531234443 |
7 | 5503406112 |
oct | 1561177673 |
9 | 532622070 |
10 | 231014331 |
11 | 109446539 |
12 | 65448a23 |
13 | 38b25b92 |
14 | 22976c79 |
15 | 15433a56 |
hex | dc4ffbb |
231014331 has 12 divisors (see below), whose sum is σ = 351250120. Its totient is φ = 145903680.
The previous prime is 231014317. The next prime is 231014341. The reversal of 231014331 is 133410132.
231014331 is a `hidden beast` number, since 231 + 0 + 1 + 433 + 1 = 666.
It is not a de Polignac number, because 231014331 - 25 = 231014299 is a prime.
It is a super-2 number, since 2×2310143312 = 106735242254755122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231014341) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 675310 + ... + 675651.
Almost surely, 2231014331 is an apocalyptic number.
231014331 is a deficient number, since it is larger than the sum of its proper divisors (120235789).
231014331 is a wasteful number, since it uses less digits than its factorization.
231014331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1350986 (or 1350983 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 231014331 is about 15199.1556015458. The cubic root of 231014331 is about 613.5919323101.
Adding to 231014331 its reverse (133410132), we get a palindrome (364424463).
It can be divided in two parts, 2310 and 14331, that added together give a square (16641 = 1292).
The spelling of 231014331 in words is "two hundred thirty-one million, fourteen thousand, three hundred thirty-one".
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