Base | Representation |
---|---|
bin | 11100111001000100… |
… | …000000110010110011 |
3 | 2222001222121012012101 |
4 | 130321010000302303 |
5 | 1002013130433321 |
6 | 22130143441231 |
7 | 2145520463551 |
oct | 347104006263 |
9 | 88058535171 |
10 | 31022124211 |
11 | 1217a1a9091 |
12 | 60192b6217 |
13 | 2c0507a520 |
14 | 17040b4bd1 |
15 | c1872a791 |
hex | 739100cb3 |
31022124211 has 8 divisors (see below), whose sum is σ = 33412148784. Its totient is φ = 28632629280.
The previous prime is 31022124169. The next prime is 31022124223. The reversal of 31022124211 is 11242122013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31022124211 - 225 = 30988569779 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31022124281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6301 + ... + 249166.
It is an arithmetic number, because the mean of its divisors is an integer number (4176518598).
Almost surely, 231022124211 is an apocalyptic number.
31022124211 is a deficient number, since it is larger than the sum of its proper divisors (2390024573).
31022124211 is a wasteful number, since it uses less digits than its factorization.
31022124211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 264821.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 31022124211 its reverse (11242122013), we get a palindrome (42264246224).
The spelling of 31022124211 in words is "thirty-one billion, twenty-two million, one hundred twenty-four thousand, two hundred eleven".
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