320542112 has 24 divisors (see below), whose sum is σ = 688437792. Its totient is φ = 145700800.

The previous prime is 320542109. The next prime is 320542151. The reversal of 320542112 is 211245023.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454964 + ... + 455667.

It is an arithmetic number, because the mean of its divisors is an integer number (28684908).

Almost surely, 2^320542112 is an apocalyptic number.

320542112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320542112 is an abundant number, since it is smaller than the sum of its proper divisors (367895680).

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

320542112 is a wasteful number, since it uses less digits than its factorization.

320542112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910652 (or 910644 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 320542112 is about 17903.6898990124. The cubic root of 320542112 is about 684.3764101275.

Adding to 320542112 its reverse (211245023), we get a palindrome (531787135).

The spelling of 320542112 in words is "three hundred twenty million, five hundred forty-two thousand, one hundred twelve".