213021413430 has 96 divisors (see below), whose sum is σ = 598886790912. Its totient is φ = 47502954240.

The previous prime is 213021413401. The next prime is 213021413461. The reversal of 213021413430 is 34314120312.

It is a happy number.

213021413430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 213021413430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51289 + ... + 654731.

It is an arithmetic number, because the mean of its divisors is an integer number (6238404072).

Almost surely, 2^213021413430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213021413430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299443395456).

213021413430 is an abundant number, since it is smaller than the sum of its proper divisors (385865377482).

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

213021413430 is a wasteful number, since it uses less digits than its factorization.

213021413430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603542 (or 603501 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 213021413430 its reverse (34314120312), we get a palindrome (247335533742).

The spelling of 213021413430 in words is "two hundred thirteen billion, twenty-one million, four hundred thirteen thousand, four hundred thirty".