Base | Representation |
---|---|
bin | 11101010010000110… |
… | …001011111000100011 |
3 | 10000011020220102001002 |
4 | 131102012023320203 |
5 | 1003343140434243 |
6 | 22235545502215 |
7 | 2162110434641 |
oct | 352206137043 |
9 | 100136812032 |
10 | 31442124323 |
11 | 12375294415 |
12 | 6115aa196b |
13 | 2c710a22bc |
14 | 1743ba4191 |
15 | c4053eeb8 |
hex | 75218be23 |
31442124323 has 2 divisors, whose sum is σ = 31442124324. Its totient is φ = 31442124322.
The previous prime is 31442124317. The next prime is 31442124349. The reversal of 31442124323 is 32342124413.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 31442124323 - 28 = 31442124067 is a prime.
It is not a weakly prime, because it can be changed into another prime (31442124353) 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, 15721062161 + 15721062162.
It is an arithmetic number, because the mean of its divisors is an integer number (15721062162).
Almost surely, 231442124323 is an apocalyptic number.
31442124323 is a deficient number, since it is larger than the sum of its proper divisors (1).
31442124323 is an equidigital number, since it uses as much as digits as its factorization.
31442124323 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 13824, while the sum is 29.
Adding to 31442124323 its reverse (32342124413), we get a palindrome (63784248736).
The spelling of 31442124323 in words is "thirty-one billion, four hundred forty-two million, one hundred twenty-four thousand, three hundred twenty-three".
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