213443103432 has 64 divisors (see below), whose sum is σ = 588670508160. Its totient is φ = 64072972800.

The previous prime is 213443103347. The next prime is 213443103449. The reversal of 213443103432 is 234301344312.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 213443103432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8330044 + ... + 8355627.

It is an arithmetic number, because the mean of its divisors is an integer number (9197976690).

Almost surely, 2^213443103432 is an apocalyptic number.

It is an amenable number.

213443103432 is an abundant number, since it is smaller than the sum of its proper divisors (375227404728).

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

213443103432 is a wasteful number, since it uses less digits than its factorization.

213443103432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16685734 (or 16685730 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 213443103432 its reverse (234301344312), we get a palindrome (447744447744).

The spelling of 213443103432 in words is "two hundred thirteen billion, four hundred forty-three million, one hundred three thousand, four hundred thirty-two".