213321303030 has 64 divisors (see below), whose sum is σ = 558969465600. Its totient is φ = 51672078720.

The previous prime is 213321302993. The next prime is 213321303077. The reversal of 213321303030 is 30303123312.

It is a junction number, because it is equal to n+sod(n) for n = 213321302988 and 213321303006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142581 + ... + 668559.

It is an arithmetic number, because the mean of its divisors is an integer number (8733897900).

Almost surely, 2^213321303030 is an apocalyptic number.

213321303030 is an abundant number, since it is smaller than the sum of its proper divisors (345648162570).

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

213321303030 is a wasteful number, since it uses less digits than its factorization.

213321303030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527229.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 213321303030 its reverse (30303123312), we get a palindrome (243624426342).

The spelling of 213321303030 in words is "two hundred thirteen billion, three hundred twenty-one million, three hundred three thousand, thirty".