213342003 has 24 divisors (see below), whose sum is σ = 357447168. Its totient is φ = 120087792.

The previous prime is 213341987. The next prime is 213342029. The reversal of 213342003 is 300243312.

It is not a de Polignac number, because 213342003 - 2⁴ = 213341987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213342083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21051 + ... + 29492.

It is an arithmetic number, because the mean of its divisors is an integer number (14893632).

Almost surely, 2^213342003 is an apocalyptic number.

213342003 is a deficient number, since it is larger than the sum of its proper divisors (144105165).

213342003 is a wasteful number, since it uses less digits than its factorization.

213342003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50623 (or 50620 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 213342003 is about 14606.2316495392. The cubic root of 213342003 is about 597.5287269908.

Adding to 213342003 its reverse (300243312), we get a palindrome (513585315).

The spelling of 213342003 in words is "two hundred thirteen million, three hundred forty-two thousand, three".