213004347 has 8 divisors (see below), whose sum is σ = 285648144. Its totient is φ = 141181728.

The previous prime is 213004343. The next prime is 213004349. The reversal of 213004347 is 743400312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213004347 - 2² = 213004343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213004343) 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 7 ways as a sum of consecutive naturals, for example, 204688 + ... + 205725.

It is an arithmetic number, because the mean of its divisors is an integer number (35706018).

Almost surely, 2^213004347 is an apocalyptic number.

213004347 is a deficient number, since it is larger than the sum of its proper divisors (72643797).

213004347 is a wasteful number, since it uses less digits than its factorization.

213004347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410589.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 213004347 is about 14594.6684443327. The cubic root of 213004347 is about 597.2133246603.

Adding to 213004347 its reverse (743400312), we get a palindrome (956404659).

The spelling of 213004347 in words is "two hundred thirteen million, four thousand, three hundred forty-seven".