213043303 has 8 divisors (see below), whose sum is σ = 246082320. Its totient is φ = 182282880.

The previous prime is 213043289. The next prime is 213043351. The reversal of 213043303 is 303340312.

213043303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213043303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213043703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569448 + ... + 569821.

It is an arithmetic number, because the mean of its divisors is an integer number (30760290).

Almost surely, 2^213043303 is an apocalyptic number.

213043303 is a deficient number, since it is larger than the sum of its proper divisors (33039017).

213043303 is a wasteful number, since it uses less digits than its factorization.

213043303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139297.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 213043303 is about 14596.0029802683. The cubic root of 213043303 is about 597.2497302148.

Adding to 213043303 its reverse (303340312), we get a palindrome (516383615).

The spelling of 213043303 in words is "two hundred thirteen million, forty-three thousand, three hundred three".