Base | Representation |
---|---|
bin | 111101001001011010… |
… | …0011000001111111011 |
3 | 110112221101010002111002 |
4 | 1322102310120033323 |
5 | 4122411412120402 |
6 | 140153552355215 |
7 | 12326016324023 |
oct | 1722264301773 |
9 | 415841102432 |
10 | 131312223227 |
11 | 50764365939 |
12 | 21548245b0b |
13 | c4c89cc293 |
14 | 64d988ca83 |
15 | 363816a602 |
hex | 1e92d183fb |
131312223227 has 2 divisors, whose sum is σ = 131312223228. Its totient is φ = 131312223226.
The previous prime is 131312223221. The next prime is 131312223283. The reversal of 131312223227 is 722322213131.
It is a weak prime.
It is an emirp because it is prime and its reverse (722322213131) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 131312223227 - 230 = 130238481403 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 131312223227.
It is not a weakly prime, because it can be changed into another prime (131312223221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65656111613 + 65656111614.
It is an arithmetic number, because the mean of its divisors is an integer number (65656111614).
Almost surely, 2131312223227 is an apocalyptic number.
131312223227 is a deficient number, since it is larger than the sum of its proper divisors (1).
131312223227 is an equidigital number, since it uses as much as digits as its factorization.
131312223227 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 6048, while the sum is 29.
Adding to 131312223227 its reverse (722322213131), we get a palindrome (853634436358).
The spelling of 131312223227 in words is "one hundred thirty-one billion, three hundred twelve million, two hundred twenty-three thousand, two hundred twenty-seven".
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