3213031320000 has 280 divisors, whose sum is σ = 11803372024400. Its totient is φ = 856808064000.

The previous prime is 3213031319989. The next prime is 3213031320029. The reversal of 3213031320000 is 231303123.

3213031320000 is a `hidden beast` number, since 321 + 30 + 313 + 2 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 407515 + ... + 2567514.

Almost surely, 2^{3213031320000} is an apocalyptic number.

3213031320000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213031320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5901686012200).

3213031320000 is an abundant number, since it is smaller than the sum of its proper divisors (8590340704400).

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

3213031320000 is an equidigital number, since it uses as much as digits as its factorization.

3213031320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975070 (or 2975039 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 3213031320000 its reverse (231303123), we get a palindrome (3213262623123).

The spelling of 3213031320000 in words is "three trillion, two hundred thirteen billion, thirty-one million, three hundred twenty thousand".