331013213130320 has 160 divisors (see below), whose sum is σ = 881361416759040. Its totient is φ = 113256477941760.

The previous prime is 331013213130307. The next prime is 331013213130331. The reversal of 331013213130320 is 23031312310133.

It is a self number, because there is not a number n which added to its sum of digits gives 331013213130320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3343754744 + ... + 3343853736.

It is an arithmetic number, because the mean of its divisors is an integer number (5508508854744).

Almost surely, 2^{331013213130320} 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 331013213130320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440680708379520).

331013213130320 is an abundant number, since it is smaller than the sum of its proper divisors (550348203628720).

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

331013213130320 is a wasteful number, since it uses less digits than its factorization.

331013213130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111253 (or 111247 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 331013213130320 its reverse (23031312310133), we get a palindrome (354044525440453).

The spelling of 331013213130320 in words is "three hundred thirty-one trillion, thirteen billion, two hundred thirteen million, one hundred thirty thousand, three hundred twenty".