320242112 has 56 divisors (see below), whose sum is σ = 681685200. Its totient is φ = 148801536.

The previous prime is 320242081. The next prime is 320242123. The reversal of 320242112 is 211242023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61964 + ... + 66932.

It is an arithmetic number, because the mean of its divisors is an integer number (12172950).

Almost surely, 2^320242112 is an apocalyptic number.

320242112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320242112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340842600).

320242112 is an abundant number, since it is smaller than the sum of its proper divisors (361443088).

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

320242112 is a wasteful number, since it uses less digits than its factorization.

320242112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5053 (or 5043 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 320242112 is about 17895.3097765867. The cubic root of 320242112 is about 684.1628375574.

Adding to 320242112 its reverse (211242023), we get a palindrome (531484135).

The spelling of 320242112 in words is "three hundred twenty million, two hundred forty-two thousand, one hundred twelve".