Base | Representation |
---|---|
bin | 11000011001111001… |
… | …00011011011010111 |
3 | 1020211002220202101121 |
4 | 30030330203123113 |
5 | 203313114232411 |
6 | 10004035304411 |
7 | 642453013531 |
oct | 141474433327 |
9 | 36732822347 |
10 | 13102102231 |
11 | 5613882369 |
12 | 2657a4b107 |
13 | 130a5a031a |
14 | 8c4146851 |
15 | 51a3be571 |
hex | 30cf236d7 |
13102102231 has 2 divisors, whose sum is σ = 13102102232. Its totient is φ = 13102102230.
The previous prime is 13102102187. The next prime is 13102102259. The reversal of 13102102231 is 13220120131.
It is a strong prime.
It is an emirp because it is prime and its reverse (13220120131) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13102102231 is a prime.
It is a super-2 number, since 2×131021022312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13102106231) 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, 6551051115 + 6551051116.
It is an arithmetic number, because the mean of its divisors is an integer number (6551051116).
Almost surely, 213102102231 is an apocalyptic number.
13102102231 is a deficient number, since it is larger than the sum of its proper divisors (1).
13102102231 is an equidigital number, since it uses as much as digits as its factorization.
13102102231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 13102102231 its reverse (13220120131), we get a palindrome (26322222362).
The spelling of 13102102231 in words is "thirteen billion, one hundred two million, one hundred two thousand, two hundred thirty-one".
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