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230313319 = 1237186187
BaseRepresentation
bin11011011101001…
…00110101100111
3121001101010110221
431232210311213
5432430011234
634504225211
75464426255
oct1556446547
9531333427
10230313319
11109007895
126516b207
133893ba92
14228335d5
1515345eb4
hexdba4d67

230313319 has 4 divisors (see below), whose sum is σ = 230500744. Its totient is φ = 230125896.

The previous prime is 230313311. The next prime is 230313341. The reversal of 230313319 is 913313032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230313319 - 23 = 230313311 is a prime.

It is a super-2 number, since 2×2303133192 = 106088449817591522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230313293 and 230313302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230313311) 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 3 ways as a sum of consecutive naturals, for example, 91857 + ... + 94330.

It is an arithmetic number, because the mean of its divisors is an integer number (57625186).

Almost surely, 2230313319 is an apocalyptic number.

230313319 is a deficient number, since it is larger than the sum of its proper divisors (187425).

230313319 is a wasteful number, since it uses less digits than its factorization.

230313319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187424.

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 230313319 is about 15176.0771940578. The cubic root of 230313319 is about 612.9706561004.

The spelling of 230313319 in words is "two hundred thirty million, three hundred thirteen thousand, three hundred nineteen".

Divisors: 1 1237 186187 230313319