Base | Representation |
---|---|
bin | 1101011101000001111… |
… | …0110011100010011001 |
3 | 211002120220202111100202 |
4 | 3113100132303202121 |
5 | 12241324014044113 |
6 | 254102523311545 |
7 | 22461433052540 |
oct | 3272036634231 |
9 | 732526674322 |
10 | 231131003033 |
11 | 8a027475587 |
12 | 3896537b5b5 |
13 | 18a45acb628 |
14 | b288819157 |
15 | 602b50a258 |
hex | 35d07b3899 |
231131003033 has 16 divisors (see below), whose sum is σ = 264440007936. Its totient is φ = 197894702400.
The previous prime is 231131003011. The next prime is 231131003041. The reversal of 231131003033 is 330300131132.
It is a cyclic number.
It is not a de Polignac number, because 231131003033 - 216 = 231130937497 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 231131002996 and 231131003014.
It is not an unprimeable number, because it can be changed into a prime (231131003053) 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, 43191308 + ... + 43196658.
It is an arithmetic number, because the mean of its divisors is an integer number (16527500496).
Almost surely, 2231131003033 is an apocalyptic number.
It is an amenable number.
231131003033 is a deficient number, since it is larger than the sum of its proper divisors (33309004903).
231131003033 is a wasteful number, since it uses less digits than its factorization.
231131003033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10984.
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 231131003033 its reverse (330300131132), we get a palindrome (561431134165).
The spelling of 231131003033 in words is "two hundred thirty-one billion, one hundred thirty-one million, three thousand, thirty-three".
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