213143344 has 10 divisors (see below), whose sum is σ = 412965260. Its totient is φ = 106571664.

The previous prime is 213143339. The next prime is 213143351. The reversal of 213143344 is 443341312.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6660714 + ... + 6660745.

It is an arithmetic number, because the mean of its divisors is an integer number (41296526).

Almost surely, 2^213143344 is an apocalyptic number.

It is an amenable number.

213143344 is a deficient number, since it is larger than the sum of its proper divisors (199821916).

213143344 is a wasteful number, since it uses less digits than its factorization.

213143344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13321467 (or 13321461 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 213143344 is about 14599.4295778979. The cubic root of 213143344 is about 597.3432012126.

Adding to 213143344 its reverse (443341312), we get a palindrome (656484656).

The spelling of 213143344 in words is "two hundred thirteen million, one hundred forty-three thousand, three hundred forty-four".