230012311 has 4 divisors (see below), whose sum is σ = 237943800. Its totient is φ = 222080824.

The previous prime is 230012243. The next prime is 230012327. The reversal of 230012311 is 113210032.

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 230012311 - 2⁷ = 230012183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230012291 and 230012300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230012011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3965701 + ... + 3965758.

It is an arithmetic number, because the mean of its divisors is an integer number (59485950).

Almost surely, 2^230012311 is an apocalyptic number.

230012311 is a deficient number, since it is larger than the sum of its proper divisors (7931489).

230012311 is an equidigital number, since it uses as much as digits as its factorization.

230012311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7931488.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 230012311 is about 15166.1567643223. The cubic root of 230012311 is about 612.7034990064.

Adding to 230012311 its reverse (113210032), we get a palindrome (343222343).

The spelling of 230012311 in words is "two hundred thirty million, twelve thousand, three hundred eleven".