320231112 has 16 divisors (see below), whose sum is σ = 800577840. Its totient is φ = 106743696.

The previous prime is 320231101. The next prime is 320231117. The reversal of 320231112 is 211132023.

It is a junction number, because it is equal to n+sod(n) for n = 320231091 and 320231100.

It is not an unprimeable number, because it can be changed into a prime (320231117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6671458 + ... + 6671505.

It is an arithmetic number, because the mean of its divisors is an integer number (50036115).

Almost surely, 2^320231112 is an apocalyptic number.

It is an amenable number.

320231112 is an abundant number, since it is smaller than the sum of its proper divisors (480346728).

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

320231112 is a wasteful number, since it uses less digits than its factorization.

320231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13342972 (or 13342968 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 320231112 is about 17895.0024308464. The cubic root of 320231112 is about 684.1550040286.

Adding to 320231112 its reverse (211132023), we get a palindrome (531363135).

The spelling of 320231112 in words is "three hundred twenty million, two hundred thirty-one thousand, one hundred twelve".