Base | Representation |
---|---|
bin | 1000110010100100111… |
… | …01111111000111011011 |
3 | 1001212121002011220210102 |
4 | 10121102131333013123 |
5 | 14422030003200011 |
6 | 350430135010015 |
7 | 30551421501035 |
oct | 4312235770733 |
9 | 1055532156712 |
10 | 302031303131 |
11 | 1070aa884418 |
12 | 4a65180990b |
13 | 2263491611c |
14 | 10892c28c55 |
15 | 7ccaba673b |
hex | 465277f1db |
302031303131 has 8 divisors (see below), whose sum is σ = 321421193280. Its totient is φ = 282821784448.
The previous prime is 302031303127. The next prime is 302031303139. The reversal of 302031303131 is 131303130203.
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 302031303131 - 22 = 302031303127 is a prime.
It is a super-2 number, since 2×3020313031312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (302031303139) 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, 45089411 + ... + 45096108.
It is an arithmetic number, because the mean of its divisors is an integer number (40177649160).
Almost surely, 2302031303131 is an apocalyptic number.
302031303131 is a deficient number, since it is larger than the sum of its proper divisors (19389890149).
302031303131 is a wasteful number, since it uses less digits than its factorization.
302031303131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90185733.
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 302031303131 its reverse (131303130203), we get a palindrome (433334433334).
The spelling of 302031303131 in words is "three hundred two billion, thirty-one million, three hundred three thousand, one hundred thirty-one".
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