331303112 has 48 divisors (see below), whose sum is σ = 730146060. Its totient is φ = 140507136.

The previous prime is 331303103. The next prime is 331303151. The reversal of 331303112 is 211303133.

It can be written as a sum of positive squares in 2 ways, for example, as 305760196 + 25542916 = 17486^2 + 5054^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33668 + ... + 42380.

Almost surely, 2^331303112 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 331303112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365073030).

331303112 is an abundant number, since it is smaller than the sum of its proper divisors (398842948).

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

331303112 is a wasteful number, since it uses less digits than its factorization.

331303112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8830 (or 8819 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 331303112 is about 18201.7337635732. The cubic root of 331303112 is about 691.9507298945.

Adding to 331303112 its reverse (211303133), we get a palindrome (542606245).

The spelling of 331303112 in words is "three hundred thirty-one million, three hundred three thousand, one hundred twelve".