321332211330 has 128 divisors (see below), whose sum is σ = 869698916352. Its totient is φ = 75390213888.

The previous prime is 321332211329. The next prime is 321332211373. The reversal of 321332211330 is 33112233123.

It is a self number, because there is not a number n which added to its sum of digits gives 321332211330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2475219 + ... + 2601801.

It is an arithmetic number, because the mean of its divisors is an integer number (6794522784).

Almost surely, 2^321332211330 is an apocalyptic number.

321332211330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 321332211330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434849458176).

321332211330 is an abundant number, since it is smaller than the sum of its proper divisors (548366705022).

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

321332211330 is a wasteful number, since it uses less digits than its factorization.

321332211330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126912.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 321332211330 its reverse (33112233123), we get a palindrome (354444444453).

The spelling of 321332211330 in words is "three hundred twenty-one billion, three hundred thirty-two million, two hundred eleven thousand, three hundred thirty".