320213112 has 32 divisors (see below), whose sum is σ = 803077200. Its totient is φ = 106398464.

The previous prime is 320213111. The next prime is 320213123. The reversal of 320213112 is 211312023.

It is a junction number, because it is equal to n+sod(n) for n = 320213091 and 320213100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320213111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13437 + ... + 28652.

Almost surely, 2^320213112 is an apocalyptic number.

It is an amenable number.

320213112 is an abundant number, since it is smaller than the sum of its proper divisors (482864088).

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

320213112 is a wasteful number, since it uses less digits than its factorization.

320213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42415 (or 42411 counting only the distinct ones).

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

The square root of 320213112 is about 17894.4994900668. The cubic root of 320213112 is about 684.1421851400.

Adding to 320213112 its reverse (211312023), we get a palindrome (531525135).

The spelling of 320213112 in words is "three hundred twenty million, two hundred thirteen thousand, one hundred twelve".