Base | Representation |
---|---|
bin | 11100111111101011… |
… | …000101011110110010 |
3 | 2222100201021210210010 |
4 | 130333223011132302 |
5 | 1002230023432242 |
6 | 22145144515350 |
7 | 2151335251152 |
oct | 347753053662 |
9 | 88321253703 |
10 | 31133030322 |
11 | 12226869529 |
12 | 604a47bb56 |
13 | 2c2203c144 |
14 | 1714b04762 |
15 | c2333689c |
hex | 73fac57b2 |
31133030322 has 32 divisors (see below), whose sum is σ = 64982590848. Its totient is φ = 9925051136.
The previous prime is 31133030311. The next prime is 31133030353. The reversal of 31133030322 is 22303033113.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1395568 + ... + 1417700.
It is an arithmetic number, because the mean of its divisors is an integer number (2030705964).
Almost surely, 231133030322 is an apocalyptic number.
31133030322 is an abundant number, since it is smaller than the sum of its proper divisors (33849560526).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31133030322 is a wasteful number, since it uses less digits than its factorization.
31133030322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32354.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 31133030322 its reverse (22303033113), we get a palindrome (53436063435).
The spelling of 31133030322 in words is "thirty-one billion, one hundred thirty-three million, thirty thousand, three hundred twenty-two".
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