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230310113 = 1120937283
BaseRepresentation
bin11011011101001…
…00000011100001
3121001100222002012
431232210003201
5432424410423
634504202305
75464414025
oct1556440341
9531328065
10230310113
11109005440
1265169395
133893a497
1422832385
1515345078
hexdba40e1

230310113 has 4 divisors (see below), whose sum is σ = 251247408. Its totient is φ = 209372820.

The previous prime is 230310103. The next prime is 230310121. The reversal of 230310113 is 311013032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230310113 - 212 = 230306017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230310103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10468631 + ... + 10468652.

It is an arithmetic number, because the mean of its divisors is an integer number (62811852).

Almost surely, 2230310113 is an apocalyptic number.

It is an amenable number.

230310113 is a deficient number, since it is larger than the sum of its proper divisors (20937295).

230310113 is a wasteful number, since it uses less digits than its factorization.

230310113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20937294.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 230310113 is about 15175.9715669212. The cubic root of 230310113 is about 612.9678118691.

Adding to 230310113 its reverse (311013032), we get a palindrome (541323145).

The spelling of 230310113 in words is "two hundred thirty million, three hundred ten thousand, one hundred thirteen".

Divisors: 1 11 20937283 230310113