331201140320 has 96 divisors (see below), whose sum is σ = 790138395648. Its totient is φ = 131182018048.

The previous prime is 331201140301. The next prime is 331201140367. The reversal of 331201140320 is 23041102133.

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

It is a junction number, because it is equal to n+sod(n) for n = 331201140292 and 331201140301.

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, 65104817 + ... + 65109903.

It is an arithmetic number, because the mean of its divisors is an integer number (8230608288).

Almost surely, 2^331201140320 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 331201140320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395069197824).

331201140320 is an abundant number, since it is smaller than the sum of its proper divisors (458937255328).

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

331201140320 is a wasteful number, since it uses less digits than its factorization.

331201140320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9012 (or 9004 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 331201140320 its reverse (23041102133), we get a palindrome (354242242453).

The spelling of 331201140320 in words is "three hundred thirty-one billion, two hundred one million, one hundred forty thousand, three hundred twenty".