331203212311220 has 192 divisors, whose sum is σ = 779345183232000. Its totient is φ = 117494418456576.

The previous prime is 331203212311219. The next prime is 331203212311241. The reversal of 331203212311220 is 22113212302133.

It is a super-3 number, since 3×331203212311220³ (a number of 45 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331203212311220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5000090861 + ... + 5000157099.

It is an arithmetic number, because the mean of its divisors is an integer number (4059089496000).

Almost surely, 2^{331203212311220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331203212311220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389672591616000).

331203212311220 is an abundant number, since it is smaller than the sum of its proper divisors (448141970920780).

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

331203212311220 is a wasteful number, since it uses less digits than its factorization.

331203212311220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70410 (or 70408 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 331203212311220 its reverse (22113212302133), we get a palindrome (353316424613353).

The spelling of 331203212311220 in words is "three hundred thirty-one trillion, two hundred three billion, two hundred twelve million, three hundred eleven thousand, two hundred twenty".