Base | Representation |
---|---|
bin | 11101000101101001… |
… | …010000100101111001 |
3 | 2222121200210201002212 |
4 | 131011221100211321 |
5 | 1002431200333331 |
6 | 22203124104505 |
7 | 2153662642253 |
oct | 350551204571 |
9 | 88550721085 |
10 | 31233214841 |
11 | 12278376654 |
12 | 6077b35135 |
13 | 2c39a1891a |
14 | 1724142cd3 |
15 | c2c025d2b |
hex | 745a50979 |
31233214841 has 2 divisors, whose sum is σ = 31233214842. Its totient is φ = 31233214840.
The previous prime is 31233214813. The next prime is 31233214951. The reversal of 31233214841 is 14841233213.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 23969232400 + 7263982441 = 154820^2 + 85229^2 .
It is a cyclic number.
It is not a de Polignac number, because 31233214841 - 26 = 31233214777 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31233214798 and 31233214807.
It is not a weakly prime, because it can be changed into another prime (31233214741) 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, 15616607420 + 15616607421.
It is an arithmetic number, because the mean of its divisors is an integer number (15616607421).
Almost surely, 231233214841 is an apocalyptic number.
It is an amenable number.
31233214841 is a deficient number, since it is larger than the sum of its proper divisors (1).
31233214841 is an equidigital number, since it uses as much as digits as its factorization.
31233214841 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 13824, while the sum is 32.
The spelling of 31233214841 in words is "thirty-one billion, two hundred thirty-three million, two hundred fourteen thousand, eight hundred forty-one".
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