331315540000 has 120 divisors (see below), whose sum is σ = 857986169040. Its totient is φ = 125551008000.

The previous prime is 331315539937. The next prime is 331315540009. The reversal of 331315540000 is 45513133.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (331315540009) 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 19 ways as a sum of consecutive naturals, for example, 55942 + ... + 815941.

It is an arithmetic number, because the mean of its divisors is an integer number (7149884742).

Almost surely, 2^331315540000 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 331315540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428993084520).

331315540000 is an abundant number, since it is smaller than the sum of its proper divisors (526670629040).

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

331315540000 is an equidigital number, since it uses as much as digits as its factorization.

331315540000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871932 (or 871909 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The spelling of 331315540000 in words is "three hundred thirty-one billion, three hundred fifteen million, five hundred forty thousand".