Base | Representation |
---|---|
bin | 110000000001100011… |
… | …0101110100000010111 |
3 | 100212012101202101011222 |
4 | 1200003012232200113 |
5 | 3142203103410403 |
6 | 115213341520555 |
7 | 10310455446323 |
oct | 1400306564027 |
9 | 325171671158 |
10 | 103131310103 |
11 | 3a812a32798 |
12 | 17ba257315b |
13 | 995747ab63 |
14 | 4dc4c88983 |
15 | 2a390ba338 |
hex | 18031ae817 |
103131310103 has 2 divisors, whose sum is σ = 103131310104. Its totient is φ = 103131310102.
The previous prime is 103131310099. The next prime is 103131310127. The reversal of 103131310103 is 301013131301.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 103131310103 - 22 = 103131310099 is a prime.
It is a super-2 number, since 2×1031313101032 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (103131312103) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51565655051 + 51565655052.
It is an arithmetic number, because the mean of its divisors is an integer number (51565655052).
Almost surely, 2103131310103 is an apocalyptic number.
103131310103 is a deficient number, since it is larger than the sum of its proper divisors (1).
103131310103 is an equidigital number, since it uses as much as digits as its factorization.
103131310103 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 81, while the sum is 17.
Adding to 103131310103 its reverse (301013131301), we get a palindrome (404144441404).
The spelling of 103131310103 in words is "one hundred three billion, one hundred thirty-one million, three hundred ten thousand, one hundred three".
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