320304134 has 8 divisors (see below), whose sum is σ = 481052520. Its totient is φ = 159953296.

The previous prime is 320304133. The next prime is 320304143. The reversal of 320304134 is 431403023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320304133) 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, 97364 + ... + 100599.

It is an arithmetic number, because the mean of its divisors is an integer number (60131565).

Almost surely, 2^320304134 is an apocalyptic number.

320304134 is a deficient number, since it is larger than the sum of its proper divisors (160748386).

320304134 is a wasteful number, since it uses less digits than its factorization.

320304134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198774.

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

The square root of 320304134 is about 17897.0426048551. The cubic root of 320304134 is about 684.2070024843.

Adding to 320304134 its reverse (431403023), we get a palindrome (751707157).

The spelling of 320304134 in words is "three hundred twenty million, three hundred four thousand, one hundred thirty-four".