320113340 has 24 divisors (see below), whose sum is σ = 672824880. Its totient is φ = 127933568.

The previous prime is 320113327. The next prime is 320113361. The reversal of 320113340 is 43311023.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18824 + ... + 31536.

It is an arithmetic number, because the mean of its divisors is an integer number (28034370).

Almost surely, 2^320113340 is an apocalyptic number.

It is an amenable number.

320113340 is an abundant number, since it is smaller than the sum of its proper divisors (352711540).

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

320113340 is a wasteful number, since it uses less digits than its factorization.

320113340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13981 (or 13979 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 320113340 is about 17891.7114888431. The cubic root of 320113340 is about 684.0711227527.

Adding to 320113340 its reverse (43311023), we get a palindrome (363424363).

The spelling of 320113340 in words is "three hundred twenty million, one hundred thirteen thousand, three hundred forty".