230442311 has 4 divisors (see below), whose sum is σ = 251391624. Its totient is φ = 209493000.

The previous prime is 230442301. The next prime is 230442319. The reversal of 230442311 is 113244032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230442311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230442319) 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, 10474640 + ... + 10474661.

It is an arithmetic number, because the mean of its divisors is an integer number (62847906).

Almost surely, 2^230442311 is an apocalyptic number.

230442311 is a deficient number, since it is larger than the sum of its proper divisors (20949313).

230442311 is a wasteful number, since it uses less digits than its factorization.

230442311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20949312.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 230442311 is about 15180.3264457653. The cubic root of 230442311 is about 613.0850706068.

Adding to 230442311 its reverse (113244032), we get a palindrome (343686343).

The spelling of 230442311 in words is "two hundred thirty million, four hundred forty-two thousand, three hundred eleven".