Base | Representation |
---|---|
bin | 1111100111011… |
… | …10011111101111 |
3 | 100010111111122002 |
4 | 13303232133233 |
5 | 232014002203 |
6 | 20555442515 |
7 | 3150325040 |
oct | 763563757 |
9 | 303444562 |
10 | 131000303 |
11 | 67a45515 |
12 | 37a5643b |
13 | 211a8b95 |
14 | 135808c7 |
15 | b779d88 |
hex | 7cee7ef |
131000303 has 8 divisors (see below), whose sum is σ = 149788800. Its totient is φ = 112230360.
The previous prime is 131000293. The next prime is 131000321. The reversal of 131000303 is 303000131.
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 131000303 - 210 = 130999279 is a prime.
It is a super-2 number, since 2×1310003032 = 34322158772183618, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131008303) 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, 17648 + ... + 23946.
It is an arithmetic number, because the mean of its divisors is an integer number (18723600).
Almost surely, 2131000303 is an apocalyptic number.
131000303 is a deficient number, since it is larger than the sum of its proper divisors (18788497).
131000303 is an equidigital number, since it uses as much as digits as its factorization.
131000303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9277.
The product of its (nonzero) digits is 27, while the sum is 11.
The square root of 131000303 is about 11445.5363788684. The cubic root of 131000303 is about 507.8756993810.
Adding to 131000303 its reverse (303000131), we get a palindrome (434000434).
The spelling of 131000303 in words is "one hundred thirty-one million, three hundred three", and thus it is an aban number.
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