213102204 has 48 divisors (see below), whose sum is σ = 569184000. Its totient is φ = 60788736.

The previous prime is 213102173. The next prime is 213102209. The reversal of 213102204 is 402201312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213102209) 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 15 ways as a sum of consecutive naturals, for example, 62947 + ... + 66245.

It is an arithmetic number, because the mean of its divisors is an integer number (11858000).

Almost surely, 2^213102204 is an apocalyptic number.

It is an amenable number.

213102204 is an abundant number, since it is smaller than the sum of its proper divisors (356081796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213102204 is a wasteful number, since it uses less digits than its factorization.

213102204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082 (or 4080 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 213102204 is about 14598.0205507459. The cubic root of 213102204 is about 597.3047665452.

Adding to 213102204 its reverse (402201312), we get a palindrome (615303516).

The spelling of 213102204 in words is "two hundred thirteen million, one hundred two thousand, two hundred four".