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230313303 = 321113716981
BaseRepresentation
bin11011011101001…
…00110101010111
3121001101010110100
431232210311113
5432430011203
634504225143
75464426233
oct1556446527
9531333410
10230313303
11109007880
126516b1b3
133893ba7c
14228335c3
1515345ea3
hexdba4d57

230313303 has 24 divisors (see below), whose sum is σ = 365588496. Its totient is φ = 138556800.

The previous prime is 230313287. The next prime is 230313311. The reversal of 230313303 is 303313032.

It is not a de Polignac number, because 230313303 - 24 = 230313287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230311303) 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 23 ways as a sum of consecutive naturals, for example, 5073 + ... + 22053.

It is an arithmetic number, because the mean of its divisors is an integer number (15232854).

Almost surely, 2230313303 is an apocalyptic number.

230313303 is a deficient number, since it is larger than the sum of its proper divisors (135275193).

230313303 is a wasteful number, since it uses less digits than its factorization.

230313303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17135 (or 17132 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 230313303 is about 15176.0766669123. The cubic root of 230313303 is about 612.9706419059.

Adding to 230313303 its reverse (303313032), we get a palindrome (533626335).

The spelling of 230313303 in words is "two hundred thirty million, three hundred thirteen thousand, three hundred three".

Divisors: 1 3 9 11 33 99 137 411 1233 1507 4521 13563 16981 50943 152829 186791 560373 1681119 2326397 6979191 20937573 25590367 76771101 230313303