Base | Representation |
---|---|
bin | 11100111111011111… |
… | …111100100101111010 |
3 | 2222100111210110022021 |
4 | 130333133330211322 |
5 | 1002223302012310 |
6 | 22145002145054 |
7 | 2151301400104 |
oct | 347737744572 |
9 | 88314713267 |
10 | 31130110330 |
11 | 12225154710 |
12 | 60494b218a |
13 | 2c21559037 |
14 | 1714584574 |
15 | c22e5b5da |
hex | 73f7fc97a |
31130110330 has 64 divisors (see below), whose sum is σ = 61713653760. Its totient is φ = 11211969600.
The previous prime is 31130110309. The next prime is 31130110421. The reversal of 31130110330 is 3301103113.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8745091 + ... + 8748649.
It is an arithmetic number, because the mean of its divisors is an integer number (964275840).
Almost surely, 231130110330 is an apocalyptic number.
31130110330 is a deficient number, since it is larger than the sum of its proper divisors (30583543430).
31130110330 is a wasteful number, since it uses less digits than its factorization.
31130110330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4315.
The product of its (nonzero) digits is 81, while the sum is 16.
Adding to 31130110330 its reverse (3301103113), we get a palindrome (34431213443).
The spelling of 31130110330 in words is "thirty-one billion, one hundred thirty million, one hundred ten thousand, three hundred thirty".
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