331132300000 has 144 divisors (see below), whose sum is σ = 817087234320. Its totient is φ = 132088320000.

The previous prime is 331132299931. The next prime is 331132300003. The reversal of 331132300000 is 3231133.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331132300003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37895632 + ... + 37904368.

It is an arithmetic number, because the mean of its divisors is an integer number (5674216905).

Almost surely, 2^331132300000 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 331132300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408543617160).

331132300000 is an abundant number, since it is smaller than the sum of its proper divisors (485954934320).

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

331132300000 is an frugal number, since it uses more digits than its factorization.

331132300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9151 (or 9123 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 331132300000 its reverse (3231133), we get a palindrome (331135531133).

The spelling of 331132300000 in words is "three hundred thirty-one billion, one hundred thirty-two million, three hundred thousand".