Base | Representation |
---|---|
bin | 111101000110010111… |
… | …1101100000010111111 |
3 | 110112200021101101200002 |
4 | 1322030233230002333 |
5 | 4122204321032203 |
6 | 140135512424515 |
7 | 12323341256063 |
oct | 1721457540277 |
9 | 415607341602 |
10 | 131210330303 |
11 | 507118a1208 |
12 | 2151a0a813b |
13 | c4b0875000 |
14 | 64ca127aa3 |
15 | 362e23ed88 |
hex | 1e8cbec0bf |
131210330303 has 32 divisors (see below), whose sum is σ = 144721516800. Its totient is φ = 118934120448.
The previous prime is 131210330297. The next prime is 131210330347. The reversal of 131210330303 is 303033012131.
It is not a de Polignac number, because 131210330303 - 220 = 131209281727 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 (131210330353) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33495701 + ... + 33499617.
It is an arithmetic number, because the mean of its divisors is an integer number (4522547400).
Almost surely, 2131210330303 is an apocalyptic number.
131210330303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
131210330303 is a deficient number, since it is larger than the sum of its proper divisors (13511186497).
131210330303 is an equidigital number, since it uses as much as digits as its factorization.
131210330303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4228 (or 4202 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 131210330303 its reverse (303033012131), we get a palindrome (434243342434).
The spelling of 131210330303 in words is "one hundred thirty-one billion, two hundred ten million, three hundred thirty thousand, three hundred three".
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