Base | Representation |
---|---|
bin | 11101001001110011… |
… | …011110000011101111 |
3 | 2222210120010011202121 |
4 | 131021303132003233 |
5 | 1003102032002203 |
6 | 22214055533411 |
7 | 2155501053361 |
oct | 351163360357 |
9 | 88716104677 |
10 | 31303000303 |
11 | 12303800493 |
12 | 609738a267 |
13 | 2c4b3108b3 |
14 | 172d50ad31 |
15 | c3320d0bd |
hex | 749cde0ef |
31303000303 has 8 divisors (see below), whose sum is σ = 33150222000. Its totient is φ = 29456430720.
The previous prime is 31303000297. The next prime is 31303000349. The reversal of 31303000303 is 30300030313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31303000303 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 (31304000303) 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, 62413 + ... + 257878.
It is an arithmetic number, because the mean of its divisors is an integer number (4143777750).
Almost surely, 231303000303 is an apocalyptic number.
31303000303 is a deficient number, since it is larger than the sum of its proper divisors (1847221697).
31303000303 is a wasteful number, since it uses less digits than its factorization.
31303000303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 326057.
The product of its (nonzero) digits is 243, while the sum is 16.
Adding to 31303000303 its reverse (30300030313), we get a palindrome (61603030616).
The spelling of 31303000303 in words is "thirty-one billion, three hundred three million, three hundred three", and thus it is an aban number.
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