Base | Representation |
---|---|
bin | 11101000101100101… |
… | …000111110001001010 |
3 | 2222121121202121011002 |
4 | 131011211013301022 |
5 | 1002430411130442 |
6 | 22203044535002 |
7 | 2153650503644 |
oct | 350545076112 |
9 | 88547677132 |
10 | 31232130122 |
11 | 122777a5696 |
12 | 60776b1462 |
13 | 2c39728c8b |
14 | 1723d3d894 |
15 | c2bdae732 |
hex | 745947c4a |
31232130122 has 16 divisors (see below), whose sum is σ = 47778232320. Its totient is φ = 15306622032.
The previous prime is 31232130107. The next prime is 31232130133. The reversal of 31232130122 is 22103123213.
It is a junction number, because it is equal to n+sod(n) for n = 31232130094 and 31232130103.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31658 + ... + 251925.
It is an arithmetic number, because the mean of its divisors is an integer number (2986139520).
Almost surely, 231232130122 is an apocalyptic number.
31232130122 is a deficient number, since it is larger than the sum of its proper divisors (16546102198).
31232130122 is a wasteful number, since it uses less digits than its factorization.
31232130122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284677.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 31232130122 its reverse (22103123213), we get a palindrome (53335253335).
The spelling of 31232130122 in words is "thirty-one billion, two hundred thirty-two million, one hundred thirty thousand, one hundred twenty-two".
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