213133210424 has 32 divisors (see below), whose sum is σ = 427494322080. Its totient is φ = 99263975424.

The previous prime is 213133210403. The next prime is 213133210439. The reversal of 213133210424 is 424012331312.

It is a junction number, because it is equal to n+sod(n) for n = 213133210393 and 213133210402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8064932 + ... + 8091315.

It is an arithmetic number, because the mean of its divisors is an integer number (13359197565).

Almost surely, 2^213133210424 is an apocalyptic number.

It is an amenable number.

213133210424 is an abundant number, since it is smaller than the sum of its proper divisors (214361111656).

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

213133210424 is a wasteful number, since it uses less digits than its factorization.

213133210424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16156367 (or 16156363 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 213133210424 its reverse (424012331312), we get a palindrome (637145541736).

The spelling of 213133210424 in words is "two hundred thirteen billion, one hundred thirty-three million, two hundred ten thousand, four hundred twenty-four".