331312002 has 16 divisors (see below), whose sum is σ = 757284672. Its totient is φ = 94660560.

The previous prime is 331312001. The next prime is 331312019. The reversal of 331312002 is 200213133.

It is not an unprimeable number, because it can be changed into a prime (331312001) 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 7 ways as a sum of consecutive naturals, for example, 3944149 + ... + 3944232.

It is an arithmetic number, because the mean of its divisors is an integer number (47330292).

Almost surely, 2^331312002 is an apocalyptic number.

331312002 is an abundant number, since it is smaller than the sum of its proper divisors (425972670).

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

331312002 is a wasteful number, since it uses less digits than its factorization.

331312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7888393.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 331312002 is about 18201.9779694406. The cubic root of 331312002 is about 691.9569189770.

Adding to 331312002 its reverse (200213133), we get a palindrome (531525135).

The spelling of 331312002 in words is "three hundred thirty-one million, three hundred twelve thousand, two".