Base | Representation |
---|---|
bin | 1100000000100001011001… |
… | …0001101110010110000011 |
3 | 1201202012111222000202122011 |
4 | 3000020112101232112003 |
5 | 3212304423410303211 |
6 | 44025231043153351 |
7 | 2531615130414412 |
oct | 300102621562603 |
9 | 51665458022564 |
10 | 13203103212931 |
11 | 423044a617785 |
12 | 1592a24675857 |
13 | 74a07cb88b58 |
14 | 3390682d9479 |
15 | 17d69a28b921 |
hex | c021646e583 |
13203103212931 has 2 divisors, whose sum is σ = 13203103212932. Its totient is φ = 13203103212930.
The previous prime is 13203103212913. The next prime is 13203103212977. The reversal of 13203103212931 is 13921230130231.
It is a happy number.
Together with previous prime (13203103212913) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is an emirp because it is prime and its reverse (13921230130231) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13203103212931 - 29 = 13203103212419 is a prime.
It is a super-2 number, since 2×132031032129312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13203103212893 and 13203103212902.
It is not a weakly prime, because it can be changed into another prime (13203103612931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601551606465 + 6601551606466.
It is an arithmetic number, because the mean of its divisors is an integer number (6601551606466).
Almost surely, 213203103212931 is an apocalyptic number.
13203103212931 is a deficient number, since it is larger than the sum of its proper divisors (1).
13203103212931 is an equidigital number, since it uses as much as digits as its factorization.
13203103212931 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5832, while the sum is 31.
The spelling of 13203103212931 in words is "thirteen trillion, two hundred three billion, one hundred three million, two hundred twelve thousand, nine hundred thirty-one".
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