Base | Representation |
---|---|
bin | 1101011101101101010… |
… | …1011111010100111010 |
3 | 211010001121102111121110 |
4 | 3113123111133110322 |
5 | 12242212124012310 |
6 | 254132550421150 |
7 | 22466103665601 |
oct | 3273325372472 |
9 | 733047374543 |
10 | 231313110330 |
11 | 8a110247485 |
12 | 389b63617b6 |
13 | 18a7475c723 |
14 | b2a4aa0a38 |
15 | 603c4ccd20 |
hex | 35db55f53a |
231313110330 has 32 divisors (see below), whose sum is σ = 555265368000. Its totient is φ = 61670840192.
The previous prime is 231313110323. The next prime is 231313110373. The reversal of 231313110330 is 33011313132.
It is a junction number, because it is equal to n+sod(n) for n = 231313110297 and 231313110306.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641880 + ... + 935219.
It is an arithmetic number, because the mean of its divisors is an integer number (17352042750).
Almost surely, 2231313110330 is an apocalyptic number.
231313110330 is an abundant number, since it is smaller than the sum of its proper divisors (323952257670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231313110330 is a wasteful number, since it uses less digits than its factorization.
231313110330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1581998.
The product of its (nonzero) digits is 486, while the sum is 21.
Adding to 231313110330 its reverse (33011313132), we get a palindrome (264324423462).
The spelling of 231313110330 in words is "two hundred thirty-one billion, three hundred thirteen million, one hundred ten thousand, three hundred thirty".
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