213230342 has 24 divisors (see below), whose sum is σ = 352905984. Its totient is φ = 96549024.

The previous prime is 213230341. The next prime is 213230351. The reversal of 213230342 is 243032312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213230341) 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 11 ways as a sum of consecutive naturals, for example, 11963 + ... + 23865.

It is an arithmetic number, because the mean of its divisors is an integer number (14704416).

Almost surely, 2^213230342 is an apocalyptic number.

213230342 is a deficient number, since it is larger than the sum of its proper divisors (139675642).

213230342 is a wasteful number, since it uses less digits than its factorization.

213230342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11984 (or 11971 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 213230342 is about 14602.4087738975. The cubic root of 213230342 is about 597.4244620110.

Adding to 213230342 its reverse (243032312), we get a palindrome (456262654).

The spelling of 213230342 in words is "two hundred thirteen million, two hundred thirty thousand, three hundred forty-two".