Base | Representation |
---|---|
bin | 100100100001000111101011… |
… | …0001010011100111011110011 |
3 | 1120010022111112122002000221122 |
4 | 1021002033112022130323303 |
5 | 314100211231412331011 |
6 | 3055054234551212455 |
7 | 124441515520545551 |
oct | 11102172612347363 |
9 | 1503274478060848 |
10 | 321211312230131 |
11 | 93390a52879574 |
12 | 30038aa267712b |
13 | 10a301347bb63b |
14 | 59469d3726bd1 |
15 | 272069b5973db |
hex | 12423d629cef3 |
321211312230131 has 8 divisors (see below), whose sum is σ = 335177232228384. Its totient is φ = 307245409796160.
The previous prime is 321211312230121. The next prime is 321211312230187. The reversal of 321211312230131 is 131032213112123.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 321211312230131 - 226 = 321211245121267 is a prime.
It is a super-2 number, since 2×3212113122301312 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 321211312230131.
It is not an unprimeable number, because it can be changed into a prime (321211312230121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44617745 + ... + 51314381.
It is an arithmetic number, because the mean of its divisors is an integer number (41897154028548).
Almost surely, 2321211312230131 is an apocalyptic number.
321211312230131 is a deficient number, since it is larger than the sum of its proper divisors (13965919998253).
321211312230131 is a wasteful number, since it uses less digits than its factorization.
321211312230131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8782141.
The product of its (nonzero) digits is 1296, while the sum is 26.
Adding to 321211312230131 its reverse (131032213112123), we get a palindrome (452243525342254).
The spelling of 321211312230131 in words is "three hundred twenty-one trillion, two hundred eleven billion, three hundred twelve million, two hundred thirty thousand, one hundred thirty-one".
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