331230284 has 96 divisors (see below), whose sum is σ = 747242496. Its totient is φ = 124750080.

The previous prime is 331230281. The next prime is 331230293. The reversal of 331230284 is 482032133.

It is not an unprimeable number, because it can be changed into a prime (331230281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1681274 + ... + 1681470.

It is an arithmetic number, because the mean of its divisors is an integer number (7783776).

Almost surely, 2^331230284 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 331230284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373621248).

331230284 is an abundant number, since it is smaller than the sum of its proper divisors (416012212).

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

331230284 is a wasteful number, since it uses less digits than its factorization.

331230284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 331230284 is about 18199.7330749657. The cubic root of 331230284 is about 691.9000239810.

The spelling of 331230284 in words is "three hundred thirty-one million, two hundred thirty thousand, two hundred eighty-four".