Base | Representation |
---|---|
bin | 1011010010101010… |
… | …1111001101110001 |
3 | 21211020112221200221 |
4 | 2310222233031301 |
5 | 22201430233241 |
6 | 1220435013041 |
7 | 135053642002 |
oct | 26452571561 |
9 | 7736487627 |
10 | 3031102321 |
11 | 1315a84045 |
12 | 70713a181 |
13 | 393c84190 |
14 | 20a7c11a9 |
15 | 12b1895d1 |
hex | b4aaf371 |
3031102321 has 8 divisors (see below), whose sum is σ = 3275884584. Its totient is φ = 2787980160.
The previous prime is 3031102297. The next prime is 3031102337. The reversal of 3031102321 is 1232011303.
It can be written as a sum of positive squares in 4 ways, for example, as 780643600 + 2250458721 = 27940^2 + 47439^2 .
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 3031102321 - 25 = 3031102289 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3031102295 and 3031102304.
It is not an unprimeable number, because it can be changed into a prime (3031102021) 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, 411226 + ... + 418531.
It is an arithmetic number, because the mean of its divisors is an integer number (409485573).
Almost surely, 23031102321 is an apocalyptic number.
It is an amenable number.
3031102321 is a deficient number, since it is larger than the sum of its proper divisors (244782263).
3031102321 is a wasteful number, since it uses less digits than its factorization.
3031102321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 830051.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 3031102321 is about 55055.4476959365. The cubic root of 3031102321 is about 1447.2165900118.
Adding to 3031102321 its reverse (1232011303), we get a palindrome (4263113624).
The spelling of 3031102321 in words is "three billion, thirty-one million, one hundred two thousand, three hundred twenty-one".
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