Base | Representation |
---|---|
bin | 110100100001111100011111… |
… | …111110101000001001100010 |
3 | 1010022000100201010220102112020 |
4 | 310201330133332220021202 |
5 | 220240203214304031320 |
6 | 2135210122110442310 |
7 | 66443306404140456 |
oct | 6441743776501142 |
9 | 1108010633812466 |
10 | 231031122330210 |
11 | 6768282664a654 |
12 | 21ab3467503396 |
13 | 9bbb1ab72a667 |
14 | 4109d74934666 |
15 | 1ba99b2a00940 |
hex | d21f1ffa8262 |
231031122330210 has 16 divisors (see below), whose sum is σ = 554474693592576. Its totient is φ = 61608299288048.
The previous prime is 231031122330149. The next prime is 231031122330221. The reversal of 231031122330210 is 12033221130132.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3850518705474 + ... + 3850518705533.
It is an arithmetic number, because the mean of its divisors is an integer number (34654668349536).
Almost surely, 2231031122330210 is an apocalyptic number.
231031122330210 is an abundant number, since it is smaller than the sum of its proper divisors (323443571262366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231031122330210 is a wasteful number, since it uses less digits than its factorization.
231031122330210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7701037411017.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 231031122330210 its reverse (12033221130132), we get a palindrome (243064343460342).
The spelling of 231031122330210 in words is "two hundred thirty-one trillion, thirty-one billion, one hundred twenty-two million, three hundred thirty thousand, two hundred ten".
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