213030221430 has 32 divisors (see below), whose sum is σ = 550601188704. Its totient is φ = 52438208256.

The previous prime is 213030221429. The next prime is 213030221527. The reversal of 213030221430 is 34122030312.

It is a junction number, because it is equal to n+sod(n) for n = 213030221397 and 213030221406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273115279 + ... + 273116058.

It is an arithmetic number, because the mean of its divisors is an integer number (17206287147).

Almost surely, 2^213030221430 is an apocalyptic number.

213030221430 is an abundant number, since it is smaller than the sum of its proper divisors (337570967274).

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

213030221430 is a wasteful number, since it uses less digits than its factorization.

213030221430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546231360.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 213030221430 its reverse (34122030312), we get a palindrome (247152251742).

The spelling of 213030221430 in words is "two hundred thirteen billion, thirty million, two hundred twenty-one thousand, four hundred thirty".