213033103 has 4 divisors (see below), whose sum is σ = 225564480. Its totient is φ = 200501728.

The previous prime is 213033077. The next prime is 213033109. The reversal of 213033103 is 301330312.

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 213033103 - 2⁹ = 213032591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213033109) 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, 6265663 + ... + 6265696.

It is an arithmetic number, because the mean of its divisors is an integer number (56391120).

Almost surely, 2^213033103 is an apocalyptic number.

213033103 is a deficient number, since it is larger than the sum of its proper divisors (12531377).

213033103 is a wasteful number, since it uses less digits than its factorization.

213033103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12531376.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 213033103 is about 14595.6535653598. The cubic root of 213033103 is about 597.2401984367.

Adding to 213033103 its reverse (301330312), we get a palindrome (514363415).

The spelling of 213033103 in words is "two hundred thirteen million, thirty-three thousand, one hundred three".