331230012 has 48 divisors (see below), whose sum is σ = 788296320. Its totient is φ = 108217792.

The previous prime is 331229959. The next prime is 331230037. The reversal of 331230012 is 210032133.

It is a junction number, because it is equal to n+sod(n) for n = 331229973 and 331230000.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 415198 + ... + 415994.

It is an arithmetic number, because the mean of its divisors is an integer number (16422840).

Almost surely, 2^331230012 is an apocalyptic number.

It is an amenable number.

331230012 is an abundant number, since it is smaller than the sum of its proper divisors (457066308).

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

331230012 is a wasteful number, since it uses less digits than its factorization.

331230012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450 (or 1448 counting only the distinct ones).

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

The square root of 331230012 is about 18199.7256023271. The cubic root of 331230012 is about 691.8998345893.

Adding to 331230012 its reverse (210032133), we get a palindrome (541262145).

The spelling of 331230012 in words is "three hundred thirty-one million, two hundred thirty thousand, twelve".