Base | Representation |
---|---|
bin | 11100111101111001… |
… | …101011100101110011 |
3 | 2222021122100110012021 |
4 | 130331321223211303 |
5 | 1002144421131003 |
6 | 22142203412311 |
7 | 2150524463524 |
oct | 347571534563 |
9 | 88248313167 |
10 | 31103302003 |
11 | 12211004174 |
12 | 6040524097 |
13 | 2c18b30a17 |
14 | 1710ba684b |
15 | c209132bd |
hex | 73de6b973 |
31103302003 has 8 divisors (see below), whose sum is σ = 31194156240. Its totient is φ = 31012581600.
The previous prime is 31103301997. The next prime is 31103302007. The reversal of 31103302003 is 30020330113.
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 31103302003 - 225 = 31069747571 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31103302007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441808 + ... + 507346.
It is an arithmetic number, because the mean of its divisors is an integer number (3899269530).
Almost surely, 231103302003 is an apocalyptic number.
31103302003 is a deficient number, since it is larger than the sum of its proper divisors (90854237).
31103302003 is an equidigital number, since it uses as much as digits as its factorization.
31103302003 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66917.
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 31103302003 its reverse (30020330113), we get a palindrome (61123632116).
The spelling of 31103302003 in words is "thirty-one billion, one hundred three million, three hundred two thousand, three".
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