320256430683 has 8 divisors (see below), whose sum is σ = 488009799168. Its totient is φ = 183003674664.

The previous prime is 320256430657. The next prime is 320256430699. The reversal of 320256430683 is 386034652023.

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

It is not a de Polignac number, because 320256430683 - 2⁹ = 320256430171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320256430633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7625153091 + ... + 7625153132.

It is an arithmetic number, because the mean of its divisors is an integer number (61001224896).

Almost surely, 2^320256430683 is an apocalyptic number.

320256430683 is a deficient number, since it is larger than the sum of its proper divisors (167753368485).

320256430683 is a wasteful number, since it uses less digits than its factorization.

320256430683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15250306233.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 320256430683 in words is "three hundred twenty billion, two hundred fifty-six million, four hundred thirty thousand, six hundred eighty-three".