Base | Representation |
---|---|
bin | 100011110010110… |
… | …0100001111110011 |
3 | 10002200221122121110 |
4 | 1013211210033303 |
5 | 4424430431011 |
6 | 315102124403 |
7 | 41522405400 |
oct | 10745441763 |
9 | 3080848543 |
10 | 1201030131 |
11 | 566a4a794 |
12 | 296280703 |
13 | 161a95322 |
14 | b571b2a7 |
15 | 70690ba6 |
hex | 479643f3 |
1201030131 has 24 divisors (see below), whose sum is σ = 1864200960. Its totient is φ = 685795152.
The previous prime is 1201030121. The next prime is 1201030153. The reversal of 1201030131 is 1310301021.
It is not a de Polignac number, because 1201030131 - 26 = 1201030067 is a prime.
It is a super-2 number, since 2×12010301312 = 2884946751139754322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1201030111) 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 in 23 ways as a sum of consecutive naturals, for example, 297730 + ... + 301736.
It is an arithmetic number, because the mean of its divisors is an integer number (77675040).
Almost surely, 21201030131 is an apocalyptic number.
1201030131 is a deficient number, since it is larger than the sum of its proper divisors (663170829).
1201030131 is a wasteful number, since it uses less digits than its factorization.
1201030131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6063 (or 6056 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 12.
The square root of 1201030131 is about 34655.8816220277. The cubic root of 1201030131 is about 1062.9625593061.
Adding to 1201030131 its reverse (1310301021), we get a palindrome (2511331152).
The spelling of 1201030131 in words is "one billion, two hundred one million, thirty thousand, one hundred thirty-one".
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