213102404 has 48 divisors (see below), whose sum is σ = 401392320. Its totient is φ = 98703360.

The previous prime is 213102397. The next prime is 213102413. The reversal of 213102404 is 404201312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009859 + ... + 1010069.

It is an arithmetic number, because the mean of its divisors is an integer number (8362340).

Almost surely, 2^213102404 is an apocalyptic number.

It is an amenable number.

213102404 is a deficient number, since it is larger than the sum of its proper divisors (188289916).

213102404 is a wasteful number, since it uses less digits than its factorization.

213102404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 213102404 is about 14598.0274009881. The cubic root of 213102404 is about 597.3049534054.

Adding to 213102404 its reverse (404201312), we get a palindrome (617303716).

The spelling of 213102404 in words is "two hundred thirteen million, one hundred two thousand, four hundred four".