Base | Representation |
---|---|
bin | 111111110100001… |
… | …1101100001101011 |
3 | 12112020020222101202 |
4 | 1333220131201223 |
5 | 13341134010011 |
6 | 552251434415 |
7 | 104030601266 |
oct | 17750354153 |
9 | 5466228352 |
10 | 2141313131 |
11 | 9a9796281 |
12 | 4b9155a0b |
13 | 2818242b9 |
14 | 164561cdd |
15 | c7ec823b |
hex | 7fa1d86b |
2141313131 has 2 divisors, whose sum is σ = 2141313132. Its totient is φ = 2141313130.
The previous prime is 2141313101. The next prime is 2141313143. The reversal of 2141313131 is 1313131412.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2141313131 - 26 = 2141313067 is a prime.
It is a super-2 number, since 2×21413131312 = 9170443849986046322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2141313101) 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, 1070656565 + 1070656566.
It is an arithmetic number, because the mean of its divisors is an integer number (1070656566).
Almost surely, 22141313131 is an apocalyptic number.
2141313131 is a deficient number, since it is larger than the sum of its proper divisors (1).
2141313131 is an equidigital number, since it uses as much as digits as its factorization.
2141313131 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 216, while the sum is 20.
The square root of 2141313131 is about 46274.3247492603. The cubic root of 2141313131 is about 1288.9222677364.
Adding to 2141313131 its reverse (1313131412), we get a palindrome (3454444543).
The spelling of 2141313131 in words is "two billion, one hundred forty-one million, three hundred thirteen thousand, one hundred thirty-one".
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