Base | Representation |
---|---|
bin | 1001011011011110… |
… | …0000101100010111 |
3 | 20112101202221102021 |
4 | 2112313200230113 |
5 | 20140432243411 |
6 | 1055054554011 |
7 | 116503200043 |
oct | 22667405427 |
9 | 6471687367 |
10 | 2531134231 |
11 | 108983967a |
12 | 5a7808907 |
13 | 314510782 |
14 | 1a0237023 |
15 | ec32aa71 |
hex | 96de0b17 |
2531134231 has 2 divisors, whose sum is σ = 2531134232. Its totient is φ = 2531134230.
The previous prime is 2531134223. The next prime is 2531134237. The reversal of 2531134231 is 1324311352.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2531134231 - 23 = 2531134223 is a prime.
It is a super-3 number, since 3×25311342313 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 2531134196 and 2531134205.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2531134237) 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 as a sum of consecutive naturals, namely, 1265567115 + 1265567116.
It is an arithmetic number, because the mean of its divisors is an integer number (1265567116).
Almost surely, 22531134231 is an apocalyptic number.
2531134231 is a deficient number, since it is larger than the sum of its proper divisors (1).
2531134231 is an equidigital number, since it uses as much as digits as its factorization.
2531134231 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2160, while the sum is 25.
The square root of 2531134231 is about 50310.3789590180. The cubic root of 2531134231 is about 1362.8196673954.
Adding to 2531134231 its reverse (1324311352), we get a palindrome (3855445583).
The spelling of 2531134231 in words is "two billion, five hundred thirty-one million, one hundred thirty-four thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •