Base | Representation |
---|---|
bin | 11101001001110000… |
… | …000100101110010111 |
3 | 2222210111102221122020 |
4 | 131021300010232113 |
5 | 1003101320010403 |
6 | 22214024504223 |
7 | 2155460355135 |
oct | 351160045627 |
9 | 88714387566 |
10 | 31302110103 |
11 | 12303252690 |
12 | 609701b073 |
13 | 2c4b08b654 |
14 | 172d358755 |
15 | c330d4453 |
hex | 749c04b97 |
31302110103 has 64 divisors (see below), whose sum is σ = 48114777600. Its totient is φ = 17924175360.
The previous prime is 31302110093. The next prime is 31302110111. The reversal of 31302110103 is 30101120313.
It is not a de Polignac number, because 31302110103 - 25 = 31302110071 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31302110003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31395801 + ... + 31396797.
It is an arithmetic number, because the mean of its divisors is an integer number (751793400).
Almost surely, 231302110103 is an apocalyptic number.
31302110103 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
31302110103 is a deficient number, since it is larger than the sum of its proper divisors (16812667497).
31302110103 is a wasteful number, since it uses less digits than its factorization.
31302110103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1712.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 31302110103 its reverse (30101120313), we get a palindrome (61403230416).
The spelling of 31302110103 in words is "thirty-one billion, three hundred two million, one hundred ten thousand, one hundred three".
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