331242112 has 16 divisors (see below), whose sum is σ = 659896650. Its totient is φ = 165620992.

The previous prime is 331242101. The next prime is 331242169. The reversal of 331242112 is 211242133.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 203461696 + 127780416 = 14264^2 + 11304^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 331242112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1293787 + ... + 1294042.

Almost surely, 2^331242112 is an apocalyptic number.

331242112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

331242112 is a deficient number, since it is larger than the sum of its proper divisors (328654538).

331242112 is an equidigital number, since it uses as much as digits as its factorization.

331242112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587843 (or 2587831 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 331242112 is about 18200.0580218855. The cubic root of 331242112 is about 691.9082596371.

Adding to 331242112 its reverse (211242133), we get a palindrome (542484245).

The spelling of 331242112 in words is "three hundred thirty-one million, two hundred forty-two thousand, one hundred twelve".