Base | Representation |
---|---|
bin | 1110000111000110010011… |
… | …10110011000000110011010 |
3 | 11001212110110002121112110202 |
4 | 13003203021312120012122 |
5 | 13031344402414034320 |
6 | 145555031352142202 |
7 | 6351601013651033 |
oct | 703431166300632 |
9 | 131773402545422 |
10 | 31030230221210 |
11 | 9983935004640 |
12 | 3591a49397962 |
13 | 14411a46a8a3c |
14 | 793c2a649a8a |
15 | 38c27a492b75 |
hex | 1c38c9d9819a |
31030230221210 has 16 divisors (see below), whose sum is σ = 60932088434592. Its totient is φ = 11283720080400.
The previous prime is 31030230221189. The next prime is 31030230221219. The reversal of 31030230221210 is 1212203203013.
It is not an unprimeable number, because it can be changed into a prime (31030230221219) 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, 141046500896 + ... + 141046501115.
It is an arithmetic number, because the mean of its divisors is an integer number (3808255527162).
Almost surely, 231030230221210 is an apocalyptic number.
31030230221210 is a deficient number, since it is larger than the sum of its proper divisors (29901858213382).
31030230221210 is a wasteful number, since it uses less digits than its factorization.
31030230221210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 282093002029.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 31030230221210 its reverse (1212203203013), we get a palindrome (32242433424223).
The spelling of 31030230221210 in words is "thirty-one trillion, thirty billion, two hundred thirty million, two hundred twenty-one thousand, two hundred ten".
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