Base | Representation |
---|---|
bin | 1011111100010010001110… |
… | …0010010110001101111011 |
3 | 1201111020121222001220122121 |
4 | 2333010203202112031323 |
5 | 3210111334133332311 |
6 | 43531552014302111 |
7 | 2523430231650661 |
oct | 277044342261573 |
9 | 51436558056577 |
10 | 13130311230331 |
11 | 4202596423879 |
12 | 15808aa7b7937 |
13 | 74324c1905b9 |
14 | 335720988c31 |
15 | 17b8399c6b71 |
hex | bf12389637b |
13130311230331 has 32 divisors (see below), whose sum is σ = 14242471833600. Its totient is φ = 12058509805056.
The previous prime is 13130311230329. The next prime is 13130311230341. The reversal of 13130311230331 is 13303211303131.
It is a cyclic number.
It is not a de Polignac number, because 13130311230331 - 21 = 13130311230329 is a prime.
It is a super-2 number, since 2×131303112303312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13130311230296 and 13130311230305.
It is not an unprimeable number, because it can be changed into a prime (13130311230341) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438729690 + ... + 438759616.
It is an arithmetic number, because the mean of its divisors is an integer number (445077244800).
Almost surely, 213130311230331 is an apocalyptic number.
13130311230331 is a deficient number, since it is larger than the sum of its proper divisors (1112160603269).
13130311230331 is a wasteful number, since it uses less digits than its factorization.
13130311230331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32643.
The product of its (nonzero) digits is 1458, while the sum is 25.
Adding to 13130311230331 its reverse (13303211303131), we get a palindrome (26433522533462).
The spelling of 13130311230331 in words is "thirteen trillion, one hundred thirty billion, three hundred eleven million, two hundred thirty thousand, three hundred thirty-one".
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