230340311 has 4 divisors (see below), whose sum is σ = 231498000. Its totient is φ = 229182624.

The previous prime is 230340269. The next prime is 230340317. The reversal of 230340311 is 113043032.

It is a happy number.

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 230340311 - 2⁶ = 230340247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230340311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230340317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578546 + ... + 578943.

It is an arithmetic number, because the mean of its divisors is an integer number (57874500).

Almost surely, 2^230340311 is an apocalyptic number.

230340311 is a deficient number, since it is larger than the sum of its proper divisors (1157689).

230340311 is a wasteful number, since it uses less digits than its factorization.

230340311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157688.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 230340311 is about 15176.9664623732. The cubic root of 230340311 is about 612.9946012456.

Adding to 230340311 its reverse (113043032), we get a palindrome (343383343).

The spelling of 230340311 in words is "two hundred thirty million, three hundred forty thousand, three hundred eleven".