331055000 has 80 divisors (see below), whose sum is σ = 787154280. Its totient is φ = 130464000.

The previous prime is 331054963. The next prime is 331055009. The reversal of 331055000 is 550133.

It is a self number, because there is not a number n which added to its sum of digits gives 331055000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331055009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 364547 + ... + 365453.

Almost surely, 2^331055000 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 331055000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393577140).

331055000 is an abundant number, since it is smaller than the sum of its proper divisors (456099280).

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

331055000 is an equidigital number, since it uses as much as digits as its factorization.

331055000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 331055000 is about 18194.9168725774. The cubic root of 331055000 is about 691.7779534164. Note that the first 3 decimals are identical.

The spelling of 331055000 in words is "three hundred thirty-one million, fifty-five thousand".