Base | Representation |
---|---|
bin | 1111100111100… |
… | …11110100101111 |
3 | 100010112121120101 |
4 | 13303303310233 |
5 | 232020202002 |
6 | 21000131531 |
7 | 3150445465 |
oct | 763636457 |
9 | 303477511 |
10 | 131022127 |
11 | 67a5a955 |
12 | 37a66ba7 |
13 | 211b5ab2 |
14 | 13588835 |
15 | b781587 |
hex | 7cf3d2f |
131022127 has 2 divisors, whose sum is σ = 131022128. Its totient is φ = 131022126.
The previous prime is 131022097. The next prime is 131022137. The reversal of 131022127 is 721220131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 131022127 - 27 = 131021999 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131022137) 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, 65511063 + 65511064.
It is an arithmetic number, because the mean of its divisors is an integer number (65511064).
Almost surely, 2131022127 is an apocalyptic number.
131022127 is a deficient number, since it is larger than the sum of its proper divisors (1).
131022127 is an equidigital number, since it uses as much as digits as its factorization.
131022127 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 168, while the sum is 19.
The square root of 131022127 is about 11446.4897239285. The cubic root of 131022127 is about 507.9039010048.
Adding to 131022127 its reverse (721220131), we get a palindrome (852242258).
The spelling of 131022127 in words is "one hundred thirty-one million, twenty-two thousand, one hundred twenty-seven".
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