213333003 has 24 divisors (see below), whose sum is σ = 338122512. Its totient is φ = 128801088.

The previous prime is 213332993. The next prime is 213333143. The reversal of 213333003 is 300333312.

213333003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213333003 - 2⁶ = 213332939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213333403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11001 + ... + 23402.

It is an arithmetic number, because the mean of its divisors is an integer number (14088438).

Almost surely, 2^213333003 is an apocalyptic number.

213333003 is a deficient number, since it is larger than the sum of its proper divisors (124789509).

213333003 is a wasteful number, since it uses less digits than its factorization.

213333003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34475 (or 34472 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 213333003 is about 14605.9235586114. The cubic root of 213333003 is about 597.5203244663.

Adding to 213333003 its reverse (300333312), we get a palindrome (513666315).

It can be divided in two parts, 21333 and 3003, that added together give a square (24336 = 156²).

The spelling of 213333003 in words is "two hundred thirteen million, three hundred thirty-three thousand, three".