Base | Representation |
---|---|
bin | 11100111001000011… |
… | …100100111100001010 |
3 | 2222001222101101200212 |
4 | 130321003210330022 |
5 | 1002013113310442 |
6 | 22130141201122 |
7 | 2145516510125 |
oct | 347103447412 |
9 | 88058341625 |
10 | 31022010122 |
11 | 1217a1303a4 |
12 | 60192601a2 |
13 | 2c0503a60c |
14 | 17040853bc |
15 | c18706a82 |
hex | 7390e4f0a |
31022010122 has 16 divisors (see below), whose sum is σ = 47913563880. Its totient is φ = 15052978368.
The previous prime is 31022010121. The next prime is 31022010133. The reversal of 31022010122 is 22101022013.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 24916306801 + 6105703321 = 157849^2 + 78139^2 .
It is a super-2 number, since 2×310220101222 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31022010097 and 31022010106.
It is not an unprimeable number, because it can be changed into a prime (31022010121) by changing a digit.
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, 510053 + ... + 567624.
Almost surely, 231022010122 is an apocalyptic number.
31022010122 is a deficient number, since it is larger than the sum of its proper divisors (16891553758).
31022010122 is a wasteful number, since it uses less digits than its factorization.
31022010122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1078105.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 31022010122 its reverse (22101022013), we get a palindrome (53123032135).
The spelling of 31022010122 in words is "thirty-one billion, twenty-two million, ten thousand, one hundred twenty-two".
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