331035320000 has 560 divisors, whose sum is σ = 1068134487552. Its totient is φ = 98672640000.

The previous prime is 331035319987. The next prime is 331035320009. The reversal of 331035320000 is 23530133.

It is a tau number, because it is divible by the number of its divisors (560).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331035320009) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 70837664 + ... + 70842336.

Almost surely, 2^331035320000 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 331035320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534067243776).

331035320000 is an abundant number, since it is smaller than the sum of its proper divisors (737099167552).

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

331035320000 is a wasteful number, since it uses less digits than its factorization.

331035320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746 (or 4721 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 20.

Adding to 331035320000 its reverse (23530133), we get a palindrome (331058850133).

The spelling of 331035320000 in words is "three hundred thirty-one billion, thirty-five million, three hundred twenty thousand".