213032424 has 32 divisors (see below), whose sum is σ = 580998240. Its totient is φ = 64555200.

The previous prime is 213032419. The next prime is 213032431. The reversal of 213032424 is 424230312.

It is a self number, because there is not a number n which added to its sum of digits gives 213032424.

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, 403207 + ... + 403734.

It is an arithmetic number, because the mean of its divisors is an integer number (18156195).

Almost surely, 2^213032424 is an apocalyptic number.

213032424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

213032424 is an abundant number, since it is smaller than the sum of its proper divisors (367965816).

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

213032424 is a wasteful number, since it uses less digits than its factorization.

213032424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806961 (or 806957 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 213032424 is about 14595.6303049920. The cubic root of 213032424 is about 597.2395639085.

Adding to 213032424 its reverse (424230312), we get a palindrome (637262736).

The spelling of 213032424 in words is "two hundred thirteen million, thirty-two thousand, four hundred twenty-four".