Base | Representation |
---|---|
bin | 1000100111001110… |
… | …1111101001111011 |
3 | 12222010111221221002 |
4 | 2021303233221323 |
5 | 14213340340011 |
6 | 1021231035215 |
7 | 111203020346 |
oct | 21163575173 |
9 | 5863457832 |
10 | 2312043131 |
11 | a870a7252 |
12 | 54636bb0b |
13 | 2ab000978 |
14 | 17d0c545d |
15 | d7e9ec3b |
hex | 89cefa7b |
2312043131 has 2 divisors, whose sum is σ = 2312043132. Its totient is φ = 2312043130.
The previous prime is 2312043121. The next prime is 2312043133. The reversal of 2312043131 is 1313402132.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2312043131 - 226 = 2244934267 is a prime.
It is a super-2 number, since 2×23120431312 = 10691086879208566322, which contains 22 as substring.
Together with 2312043133, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (2312043133) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156021565 + 1156021566.
It is an arithmetic number, because the mean of its divisors is an integer number (1156021566).
Almost surely, 22312043131 is an apocalyptic number.
2312043131 is a deficient number, since it is larger than the sum of its proper divisors (1).
2312043131 is an equidigital number, since it uses as much as digits as its factorization.
2312043131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 2312043131 is about 48083.7096218667. The cubic root of 2312043131 is about 1322.3060262510.
Adding to 2312043131 its reverse (1313402132), we get a palindrome (3625445263).
The spelling of 2312043131 in words is "two billion, three hundred twelve million, forty-three thousand, one hundred thirty-one".
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