Base | Representation |
---|---|
bin | 1111100111011… |
… | …10111100001111 |
3 | 100010111121010122 |
4 | 13303232330033 |
5 | 232014032002 |
6 | 20555455155 |
7 | 3150333254 |
oct | 763567417 |
9 | 303447118 |
10 | 131002127 |
11 | 67a46923 |
12 | 37a574bb |
13 | 211a9969 |
14 | 1358142b |
15 | b77a6a2 |
hex | 7ceef0f |
131002127 has 2 divisors, whose sum is σ = 131002128. Its totient is φ = 131002126.
The previous prime is 131002121. The next prime is 131002129. The reversal of 131002127 is 721200131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 131002127 - 24 = 131002111 is a prime.
Together with 131002129, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131002121) 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, 65501063 + 65501064.
It is an arithmetic number, because the mean of its divisors is an integer number (65501064).
Almost surely, 2131002127 is an apocalyptic number.
131002127 is a deficient number, since it is larger than the sum of its proper divisors (1).
131002127 is an equidigital number, since it uses as much as digits as its factorization.
131002127 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 84, while the sum is 17.
The square root of 131002127 is about 11445.6160603089. The cubic root of 131002127 is about 507.8780565281.
Adding to 131002127 its reverse (721200131), we get a palindrome (852202258).
The spelling of 131002127 in words is "one hundred thirty-one million, two thousand, one hundred twenty-seven".
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