331325530000 has 50 divisors (see below), whose sum is σ = 802172264894. Its totient is φ = 132530208000.

The previous prime is 331325529979. The next prime is 331325530001. The reversal of 331325530000 is 35523133.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 119386834576 + 211938695424 = 345524^2 + 460368^2 .

It is a tau number, because it is divible by the number of its divisors (50).

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 (331325530001) 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 9 ways as a sum of consecutive naturals, for example, 16556277 + ... + 16576276.

Almost surely, 2^331325530000 is an apocalyptic number.

It is an amenable number.

331325530000 is an abundant number, since it is smaller than the sum of its proper divisors (470846734894).

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

331325530000 is an equidigital number, since it uses as much as digits as its factorization.

331325530000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33132581 (or 33132560 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 25.

The spelling of 331325530000 in words is "three hundred thirty-one billion, three hundred twenty-five million, five hundred thirty thousand".