Base | Representation |
---|---|
bin | 111101000000101111… |
… | …0101101111011111111 |
3 | 110112012002202022001012 |
4 | 1322001132231323333 |
5 | 4121312430112343 |
6 | 140105041505435 |
7 | 12315554643215 |
oct | 1720136557377 |
9 | 415162668035 |
10 | 131021332223 |
11 | 50625143151 |
12 | 2148694227b |
13 | c480670622 |
14 | 64acdaacb5 |
15 | 361c85a718 |
hex | 1e817adeff |
131021332223 has 2 divisors, whose sum is σ = 131021332224. Its totient is φ = 131021332222.
The previous prime is 131021332147. The next prime is 131021332237. The reversal of 131021332223 is 322233120131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 131021332223 - 232 = 126726364927 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131021332523) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65510666111 + 65510666112.
It is an arithmetic number, because the mean of its divisors is an integer number (65510666112).
Almost surely, 2131021332223 is an apocalyptic number.
131021332223 is a deficient number, since it is larger than the sum of its proper divisors (1).
131021332223 is an equidigital number, since it uses as much as digits as its factorization.
131021332223 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 131021332223 its reverse (322233120131), we get a palindrome (453254452354).
The spelling of 131021332223 in words is "one hundred thirty-one billion, twenty-one million, three hundred thirty-two thousand, two hundred twenty-three".
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