Base | Representation |
---|---|
bin | 11100111101101101… |
… | …100101101111101010 |
3 | 2222021102101102012222 |
4 | 130331231211233222 |
5 | 1002143113213310 |
6 | 22142011434042 |
7 | 2150455522511 |
oct | 347555455752 |
9 | 88242342188 |
10 | 31100132330 |
11 | 1220a239803 |
12 | 603b455922 |
13 | 2c18291087 |
14 | 17105bd678 |
15 | c204d9055 |
hex | 73db65bea |
31100132330 has 64 divisors (see below), whose sum is σ = 60265434240. Its totient is φ = 11520423936.
The previous prime is 31100132269. The next prime is 31100132351. The reversal of 31100132330 is 3323100113.
It is a super-2 number, since 2×311001323302 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31100132299 and 31100132308.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1557389 + ... + 1577231.
It is an arithmetic number, because the mean of its divisors is an integer number (941647410).
Almost surely, 231100132330 is an apocalyptic number.
31100132330 is a deficient number, since it is larger than the sum of its proper divisors (29165301910).
31100132330 is a wasteful number, since it uses less digits than its factorization.
31100132330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20055.
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 31100132330 its reverse (3323100113), we get a palindrome (34423232443).
The spelling of 31100132330 in words is "thirty-one billion, one hundred million, one hundred thirty-two thousand, three hundred thirty".
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