Base | Representation |
---|---|
bin | 11101000101000000… |
… | …000000101111111001 |
3 | 2222120221110100201210 |
4 | 131011000000233321 |
5 | 1002420413331131 |
6 | 22202100233333 |
7 | 2153502016125 |
oct | 350500005771 |
9 | 88527410653 |
10 | 31222402041 |
11 | 12272260856 |
12 | 607439b849 |
13 | 2c3770110c |
14 | 172292a585 |
15 | c2b0dc146 |
hex | 745000bf9 |
31222402041 has 32 divisors (see below), whose sum is σ = 43233523200. Its totient is φ = 20027704320.
The previous prime is 31222401971. The next prime is 31222402049. The reversal of 31222402041 is 14020422213.
It is not a de Polignac number, because 31222402041 - 233 = 22632467449 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31222401999 and 31222402017.
It is not an unprimeable number, because it can be changed into a prime (31222402049) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15633655 + ... + 15635651.
It is an arithmetic number, because the mean of its divisors is an integer number (1351047600).
Almost surely, 231222402041 is an apocalyptic number.
It is an amenable number.
31222402041 is a deficient number, since it is larger than the sum of its proper divisors (12011121159).
31222402041 is a wasteful number, since it uses less digits than its factorization.
31222402041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3729.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 31222402041 its reverse (14020422213), we get a palindrome (45242824254).
The spelling of 31222402041 in words is "thirty-one billion, two hundred twenty-two million, four hundred two thousand, forty-one".
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