213303004 has 12 divisors (see below), whose sum is σ = 386152200. Its totient is φ = 102973808.

The previous prime is 213303001. The next prime is 213303017. The reversal of 213303004 is 400303312.

It is a super-4 number, since 4×213303004⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213303001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919294 + ... + 919525.

It is an arithmetic number, because the mean of its divisors is an integer number (32179350).

Almost surely, 2^213303004 is an apocalyptic number.

It is an amenable number.

213303004 is a deficient number, since it is larger than the sum of its proper divisors (172849196).

213303004 is a wasteful number, since it uses less digits than its factorization.

213303004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838852 (or 1838850 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 213303004 is about 14604.8965761487. The cubic root of 213303004 is about 597.4923152785.

Adding to 213303004 its reverse (400303312), we get a palindrome (613606316).

The spelling of 213303004 in words is "two hundred thirteen million, three hundred three thousand, four".