213424034430 has 64 divisors (see below), whose sum is σ = 522719956800. Its totient is φ = 55756624896.

The previous prime is 213424034419. The next prime is 213424034471. The reversal of 213424034430 is 34430424312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 717 + ... + 653336.

It is an arithmetic number, because the mean of its divisors is an integer number (8167499325).

Almost surely, 2^213424034430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213424034430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261359978400).

213424034430 is an abundant number, since it is smaller than the sum of its proper divisors (309295922370).

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

213424034430 is a wasteful number, since it uses less digits than its factorization.

213424034430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654285.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 213424034430 its reverse (34430424312), we get a palindrome (247854458742).

The spelling of 213424034430 in words is "two hundred thirteen billion, four hundred twenty-four million, thirty-four thousand, four hundred thirty".