213321012330 has 32 divisors (see below), whose sum is σ = 512304942528. Its totient is φ = 56848435200.

The previous prime is 213321012293. The next prime is 213321012337. The reversal of 213321012330 is 33210123312.

213321012330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213321012297 and 213321012306.

It is not an unprimeable number, because it can be changed into a prime (213321012337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2276311 + ... + 2368170.

It is an arithmetic number, because the mean of its divisors is an integer number (16009529454).

Almost surely, 2^213321012330 is an apocalyptic number.

213321012330 is an abundant number, since it is smaller than the sum of its proper divisors (298983930198).

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

213321012330 is a wasteful number, since it uses less digits than its factorization.

213321012330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646022.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213321012330 its reverse (33210123312), we get a palindrome (246531135642).

The spelling of 213321012330 in words is "two hundred thirteen billion, three hundred twenty-one million, twelve thousand, three hundred thirty".