3321213231320 has 64 divisors (see below), whose sum is σ = 7579108686240. Its totient is φ = 1309686400000.

The previous prime is 3321213231319. The next prime is 3321213231337. The reversal of 3321213231320 is 231323121233.

It is a super-2 number, since 2×3321213231320² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3321213231320.

It is a congruent number.

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, 822806 + ... + 2705445.

Almost surely, 2^{3321213231320} is an apocalyptic number.

It is an amenable number.

3321213231320 is an abundant number, since it is smaller than the sum of its proper divisors (4257895454920).

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

3321213231320 is a wasteful number, since it uses less digits than its factorization.

3321213231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528596 (or 3528592 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 3321213231320 its reverse (231323121233), we get a palindrome (3552536352553).

The spelling of 3321213231320 in words is "three trillion, three hundred twenty-one billion, two hundred thirteen million, two hundred thirty-one thousand, three hundred twenty".