213321340432 has 40 divisors (see below), whose sum is σ = 416094993216. Its totient is φ = 105942942336.

The previous prime is 213321340399. The next prime is 213321340433. The reversal of 213321340432 is 234043123312.

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 213321340432.

It is not an unprimeable number, because it can be changed into a prime (213321340433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3639583 + ... + 3697729.

Almost surely, 2^213321340432 is an apocalyptic number.

It is an amenable number.

213321340432 is a deficient number, since it is larger than the sum of its proper divisors (202773652784).

213321340432 is a wasteful number, since it uses less digits than its factorization.

213321340432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59695 (or 59689 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 213321340432 its reverse (234043123312), we get a palindrome (447364463744).

The spelling of 213321340432 in words is "two hundred thirteen billion, three hundred twenty-one million, three hundred forty thousand, four hundred thirty-two".