331163312 has 80 divisors (see below), whose sum is σ = 698169600. Its totient is φ = 151683840.

The previous prime is 331163311. The next prime is 331163323. The reversal of 331163312 is 213361133.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (331163311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1446014 + ... + 1446242.

It is an arithmetic number, because the mean of its divisors is an integer number (8727120).

Almost surely, 2^331163312 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 331163312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349084800).

331163312 is an abundant number, since it is smaller than the sum of its proper divisors (367006288).

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

331163312 is a wasteful number, since it uses less digits than its factorization.

331163312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 388 counting only the distinct ones).

The product of its digits is 972, while the sum is 23.

The square root of 331163312 is about 18197.8930648578. The cubic root of 331163312 is about 691.8533887003.

The spelling of 331163312 in words is "three hundred thirty-one million, one hundred sixty-three thousand, three hundred twelve".