320213324 has 6 divisors (see below), whose sum is σ = 560373324. Its totient is φ = 160106660.

The previous prime is 320213323. The next prime is 320213351. The reversal of 320213324 is 423312023.

It is a junction number, because it is equal to n+sod(n) for n = 320213296 and 320213305.

It is not an unprimeable number, because it can be changed into a prime (320213323) 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 as a sum of consecutive naturals, namely, 40026662 + ... + 40026669.

It is an arithmetic number, because the mean of its divisors is an integer number (93395554).

Almost surely, 2^320213324 is an apocalyptic number.

It is an amenable number.

320213324 is a deficient number, since it is larger than the sum of its proper divisors (240160000).

320213324 is a wasteful number, since it uses less digits than its factorization.

320213324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80053335 (or 80053333 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 320213324 is about 17894.5054136738. The cubic root of 320213324 is about 684.1423361209.

Adding to 320213324 its reverse (423312023), we get a palindrome (743525347).

The spelling of 320213324 in words is "three hundred twenty million, two hundred thirteen thousand, three hundred twenty-four".