Base | Representation |
---|---|
bin | 1111101001110… |
… | …00011010110001 |
3 | 100011001212222101 |
4 | 13310320122301 |
5 | 232103144324 |
6 | 21010140401 |
7 | 3153025561 |
oct | 764703261 |
9 | 304055871 |
10 | 131303089 |
11 | 68131a55 |
12 | 37b81701 |
13 | 21283948 |
14 | 1361cda1 |
15 | b7d9944 |
hex | 7d386b1 |
131303089 has 2 divisors, whose sum is σ = 131303090. Its totient is φ = 131303088.
The previous prime is 131303083. The next prime is 131303093. The reversal of 131303089 is 980303131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 104346225 + 26956864 = 10215^2 + 5192^2 .
It is a cyclic number.
It is not a de Polignac number, because 131303089 - 27 = 131302961 is a prime.
It is not a weakly prime, because it can be changed into another prime (131303083) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65651544 + 65651545.
It is an arithmetic number, because the mean of its divisors is an integer number (65651545).
Almost surely, 2131303089 is an apocalyptic number.
It is an amenable number.
131303089 is a deficient number, since it is larger than the sum of its proper divisors (1).
131303089 is an equidigital number, since it uses as much as digits as its factorization.
131303089 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 131303089 is about 11458.7559970531. The cubic root of 131303089 is about 508.2666891281.
The spelling of 131303089 in words is "one hundred thirty-one million, three hundred three thousand, eighty-nine".
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