Base | Representation |
---|---|
bin | 11100111111000001… |
… | …111011101011111111 |
3 | 2222022221222201101212 |
4 | 130333001323223333 |
5 | 1002214243223203 |
6 | 22144121355035 |
7 | 2151144460205 |
oct | 347701735377 |
9 | 88287881355 |
10 | 31122242303 |
11 | 12220770309 |
12 | 6046938a7b |
13 | 2c1ca329b9 |
14 | 17134d7075 |
15 | c224051d8 |
hex | 73f07baff |
31122242303 has 8 divisors (see below), whose sum is σ = 31308106368. Its totient is φ = 30936806424.
The previous prime is 31122242299. The next prime is 31122242317. The reversal of 31122242303 is 30324222113.
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 31122242303 - 22 = 31122242299 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31122242603) 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, 39350 + ... + 252572.
It is an arithmetic number, because the mean of its divisors is an integer number (3913513296).
Almost surely, 231122242303 is an apocalyptic number.
31122242303 is a deficient number, since it is larger than the sum of its proper divisors (185864065).
31122242303 is a wasteful number, since it uses less digits than its factorization.
31122242303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 214093.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 31122242303 its reverse (30324222113), we get a palindrome (61446464416).
The spelling of 31122242303 in words is "thirty-one billion, one hundred twenty-two million, two hundred forty-two thousand, three hundred three".
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