213303003 has 8 divisors (see below), whose sum is σ = 284556048. Its totient is φ = 142125984.

The previous prime is 213303001. The next prime is 213303017. The reversal of 213303003 is 300303312.

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

It is not a de Polignac number, because 213303003 - 2¹ = 213303001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213303001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12100 + ... + 23937.

It is an arithmetic number, because the mean of its divisors is an integer number (35569506).

Almost surely, 2^213303003 is an apocalyptic number.

213303003 is a deficient number, since it is larger than the sum of its proper divisors (71253045).

213303003 is a wasteful number, since it uses less digits than its factorization.

213303003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38013.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 213303003 is about 14604.8965419136. The cubic root of 213303003 is about 597.4923143447.

Adding to 213303003 its reverse (300303312), we get a palindrome (513606315).

The spelling of 213303003 in words is "two hundred thirteen million, three hundred three thousand, three".