213101204 has 24 divisors (see below), whose sum is σ = 385003080. Its totient is φ = 103130496.

The previous prime is 213101201. The next prime is 213101221. The reversal of 213101204 is 402101312.

213101204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 133356304 + 79744900 = 11548^2 + 8930^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213101201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25502 + ... + 32810.

It is an arithmetic number, because the mean of its divisors is an integer number (16041795).

Almost surely, 2^213101204 is an apocalyptic number.

It is an amenable number.

213101204 is a deficient number, since it is larger than the sum of its proper divisors (171901876).

213101204 is a wasteful number, since it uses less digits than its factorization.

213101204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7547 (or 7545 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 213101204 is about 14597.9862994867. The cubic root of 213101204 is about 597.3038322428.

Adding to 213101204 its reverse (402101312), we get a palindrome (615202516).

The spelling of 213101204 in words is "two hundred thirteen million, one hundred one thousand, two hundred four".