Base | Representation |
---|---|
bin | 11100111001000100… |
… | …000010010010010010 |
3 | 2222001222121111120201 |
4 | 130321010002102102 |
5 | 1002013131132242 |
6 | 22130143525414 |
7 | 2145520520431 |
oct | 347104022222 |
9 | 88058544521 |
10 | 31022130322 |
11 | 1217a202737 |
12 | 60192b986a |
13 | 2c05080241 |
14 | 17040b7118 |
15 | c1872c4b7 |
hex | 739102492 |
31022130322 has 32 divisors (see below), whose sum is σ = 47816536320. Its totient is φ = 15087617280.
The previous prime is 31022130287. The next prime is 31022130343. The reversal of 31022130322 is 22303122013.
It is a self number, because there is not a number n which added to its sum of digits gives 31022130322.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17456698 + ... + 17458474.
It is an arithmetic number, because the mean of its divisors is an integer number (1494266760).
Almost surely, 231022130322 is an apocalyptic number.
31022130322 is a deficient number, since it is larger than the sum of its proper divisors (16794405998).
31022130322 is a wasteful number, since it uses less digits than its factorization.
31022130322 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2866.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 31022130322 its reverse (22303122013), we get a palindrome (53325252335).
The spelling of 31022130322 in words is "thirty-one billion, twenty-two million, one hundred thirty thousand, three hundred twenty-two".
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