Base | Representation |
---|---|
bin | 1101110010001001001010… |
… | …11000010010010010011111 |
3 | 10222022121221202001011022020 |
4 | 12321010211120102102133 |
5 | 12433100303100044411 |
6 | 144244152512351223 |
7 | 6245561202243546 |
oct | 671044530222237 |
9 | 128277852034266 |
10 | 30310211331231 |
11 | 9726541124677 |
12 | 34963a4545513 |
13 | 13bb31897c090 |
14 | 76b04474315d |
15 | 378688b8c606 |
hex | 1b912561249f |
30310211331231 has 16 divisors (see below), whose sum is σ = 43557710085120. Its totient is φ = 18637285448160.
The previous prime is 30310211331217. The next prime is 30310211331259. The reversal of 30310211331231 is 13213311201303.
It is not a de Polignac number, because 30310211331231 - 29 = 30310211330719 is a prime.
It is a super-2 number, since 2×303102113312312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30310211331431) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315624171 + ... + 315720188.
It is an arithmetic number, because the mean of its divisors is an integer number (2722356880320).
Almost surely, 230310211331231 is an apocalyptic number.
30310211331231 is a deficient number, since it is larger than the sum of its proper divisors (13247498753889).
30310211331231 is a wasteful number, since it uses less digits than its factorization.
30310211331231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 631345606.
The product of its (nonzero) digits is 972, while the sum is 24.
Adding to 30310211331231 its reverse (13213311201303), we get a palindrome (43523522532534).
The spelling of 30310211331231 in words is "thirty trillion, three hundred ten billion, two hundred eleven million, three hundred thirty-one thousand, two hundred thirty-one".
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