Base | Representation |
---|---|
bin | 111111100000110… |
… | …0111011111000111 |
3 | 12111112002122012021 |
4 | 1333001213133013 |
5 | 13331032132221 |
6 | 551245304011 |
7 | 103545210622 |
oct | 17701473707 |
9 | 5445078167 |
10 | 2131130311 |
11 | 9a3a70822 |
12 | 4b5865007 |
13 | 27c69a46b |
14 | 163070db9 |
15 | c7166041 |
hex | 7f0677c7 |
2131130311 has 2 divisors, whose sum is σ = 2131130312. Its totient is φ = 2131130310.
The previous prime is 2131130273. The next prime is 2131130333. The reversal of 2131130311 is 1130311312.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2131130311 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2131130341) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065565155 + 1065565156.
It is an arithmetic number, because the mean of its divisors is an integer number (1065565156).
Almost surely, 22131130311 is an apocalyptic number.
2131130311 is a deficient number, since it is larger than the sum of its proper divisors (1).
2131130311 is an equidigital number, since it uses as much as digits as its factorization.
2131130311 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 54, while the sum is 16.
The square root of 2131130311 is about 46164.1669588004. The cubic root of 2131130311 is about 1286.8759029625.
Adding to 2131130311 its reverse (1130311312), we get a palindrome (3261441623).
The spelling of 2131130311 in words is "two billion, one hundred thirty-one million, one hundred thirty thousand, three hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •