Base | Representation |
---|---|
bin | 11101000011101111… |
… | …100110010011111010 |
3 | 2222112110210101200012 |
4 | 131003233212103322 |
5 | 1002400014302414 |
6 | 22200024341522 |
7 | 2153124602015 |
oct | 350357462372 |
9 | 88473711605 |
10 | 31201322234 |
11 | 12261373225 |
12 | 60693148a2 |
13 | 2c33230364 |
14 | 171dc0037c |
15 | c2932633e |
hex | 743be64fa |
31201322234 has 16 divisors (see below), whose sum is σ = 47430662400. Its totient is φ = 15391403664.
The previous prime is 31201322233. The next prime is 31201322239. The reversal of 31201322234 is 43222310213.
It is not an unprimeable number, because it can be changed into a prime (31201322233) 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, 133544 + ... + 283260.
It is an arithmetic number, because the mean of its divisors is an integer number (2964416400).
Almost surely, 231201322234 is an apocalyptic number.
31201322234 is a deficient number, since it is larger than the sum of its proper divisors (16229340166).
31201322234 is a wasteful number, since it uses less digits than its factorization.
31201322234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151117.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 31201322234 its reverse (43222310213), we get a palindrome (74423632447).
The spelling of 31201322234 in words is "thirty-one billion, two hundred one million, three hundred twenty-two thousand, two hundred thirty-four".
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