Base | Representation |
---|---|
bin | 111101000100000001… |
… | …0010101011001111111 |
3 | 110112110202201212200021 |
4 | 1322020002111121333 |
5 | 4122024110112343 |
6 | 140124011313011 |
7 | 12321361635013 |
oct | 1721002253177 |
9 | 415422655607 |
10 | 131131332223 |
11 | 50681244841 |
12 | 214b774b767 |
13 | c49a3a5998 |
14 | 64bd842543 |
15 | 36273380ed |
hex | 1e8809567f |
131131332223 has 2 divisors, whose sum is σ = 131131332224. Its totient is φ = 131131332222.
The previous prime is 131131332191. The next prime is 131131332239. The reversal of 131131332223 is 322233131131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 131131332223 - 25 = 131131332191 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131131332253) 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, 65565666111 + 65565666112.
It is an arithmetic number, because the mean of its divisors is an integer number (65565666112).
Almost surely, 2131131332223 is an apocalyptic number.
131131332223 is a deficient number, since it is larger than the sum of its proper divisors (1).
131131332223 is an equidigital number, since it uses as much as digits as its factorization.
131131332223 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1944, while the sum is 25.
Adding to 131131332223 its reverse (322233131131), we get a palindrome (453364463354).
The spelling of 131131332223 in words is "one hundred thirty-one billion, one hundred thirty-one million, three hundred thirty-two thousand, two hundred twenty-three".
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