3211320321330 has 128 divisors (see below), whose sum is σ = 8466746123520. Its totient is φ = 773056834560.

The previous prime is 3211320321299. The next prime is 3211320321371. The reversal of 3211320321330 is 331230231123.

It is a self number, because there is not a number n which added to its sum of digits gives 3211320321330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47293684 + ... + 47361536.

It is an arithmetic number, because the mean of its divisors is an integer number (66146454090).

Almost surely, 2^{3211320321330} is an apocalyptic number.

3211320321330 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 3211320321330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4233373061760).

3211320321330 is an abundant number, since it is smaller than the sum of its proper divisors (5255425802190).

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

3211320321330 is a wasteful number, since it uses less digits than its factorization.

3211320321330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68876.

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

Adding to 3211320321330 its reverse (331230231123), we get a palindrome (3542550552453).

The spelling of 3211320321330 in words is "three trillion, two hundred eleven billion, three hundred twenty million, three hundred twenty-one thousand, three hundred thirty".