213332003 has 4 divisors (see below), whose sum is σ = 215531400. Its totient is φ = 211132608.

The previous prime is 213331991. The next prime is 213332011. The reversal of 213332003 is 300233312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213332003 - 2⁶ = 213331939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213332803) 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 3 ways as a sum of consecutive naturals, for example, 1099553 + ... + 1099746.

It is an arithmetic number, because the mean of its divisors is an integer number (53882850).

Almost surely, 2^213332003 is an apocalyptic number.

213332003 is a deficient number, since it is larger than the sum of its proper divisors (2199397).

213332003 is an equidigital number, since it uses as much as digits as its factorization.

213332003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199396.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 213332003 is about 14605.8893258850. The cubic root of 213332003 is about 597.5193908379.

Adding to 213332003 its reverse (300233312), we get a palindrome (513565315).

The spelling of 213332003 in words is "two hundred thirteen million, three hundred thirty-two thousand, three".