213244524330 has 32 divisors (see below), whose sum is σ = 513421982784. Its totient is φ = 56683526016.

The previous prime is 213244524307. The next prime is 213244524341. The reversal of 213244524330 is 33425442312.

It is a junction number, because it is equal to n+sod(n) for n = 213244524291 and 213244524300.

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, 11345484 + ... + 11364263.

It is an arithmetic number, because the mean of its divisors is an integer number (16044436962).

Almost surely, 2^213244524330 is an apocalyptic number.

213244524330 is an abundant number, since it is smaller than the sum of its proper divisors (300177458454).

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

213244524330 is a wasteful number, since it uses less digits than its factorization.

213244524330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22710070.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 213244524330 its reverse (33425442312), we get a palindrome (246669966642).

The spelling of 213244524330 in words is "two hundred thirteen billion, two hundred forty-four million, five hundred twenty-four thousand, three hundred thirty".