Base | Representation |
---|---|
bin | 10110011011100011… |
… | …10001001010111011 |
3 | 1011002020201202012202 |
4 | 23031301301022323 |
5 | 144130312412311 |
6 | 5310540300415 |
7 | 604263643322 |
oct | 131561611273 |
9 | 34066652182 |
10 | 12042310331 |
11 | 511a62aa97 |
12 | 2400b4170b |
13 | 119bb59b1c |
14 | 8234b30b9 |
15 | 4a732be3b |
hex | 2cdc712bb |
12042310331 has 2 divisors, whose sum is σ = 12042310332. Its totient is φ = 12042310330.
The previous prime is 12042310309. The next prime is 12042310361. The reversal of 12042310331 is 13301324021.
It is a weak prime.
It is an emirp because it is prime and its reverse (13301324021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12042310331 - 226 = 11975201467 is a prime.
It is a super-2 number, since 2×120423103312 (a number of 21 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (12042310361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021155165 + 6021155166.
It is an arithmetic number, because the mean of its divisors is an integer number (6021155166).
Almost surely, 212042310331 is an apocalyptic number.
12042310331 is a deficient number, since it is larger than the sum of its proper divisors (1).
12042310331 is an equidigital number, since it uses as much as digits as its factorization.
12042310331 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 12042310331 its reverse (13301324021), we get a palindrome (25343634352).
The spelling of 12042310331 in words is "twelve billion, forty-two million, three hundred ten thousand, three hundred thirty-one".
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