230442213 has 4 divisors (see below), whose sum is σ = 307256288. Its totient is φ = 153628140.

The previous prime is 230442211. The next prime is 230442217. The reversal of 230442213 is 312244032.

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 not a de Polignac number, because 230442213 - 2¹ = 230442211 is a prime.

It is a super-2 number, since 2×230442213² = 106207227064674738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 230442213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230442211) 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, 38407033 + ... + 38407038.

It is an arithmetic number, because the mean of its divisors is an integer number (76814072).

Almost surely, 2^230442213 is an apocalyptic number.

It is an amenable number.

230442213 is a deficient number, since it is larger than the sum of its proper divisors (76814075).

230442213 is an equidigital number, since it uses as much as digits as its factorization.

230442213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76814074.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 230442213 is about 15180.3232179028. The cubic root of 230442213 is about 613.0849836981.

Adding to 230442213 its reverse (312244032), we get a palindrome (542686245).

The spelling of 230442213 in words is "two hundred thirty million, four hundred forty-two thousand, two hundred thirteen".