320931422579 has 4 divisors (see below), whose sum is σ = 322900327176. Its totient is φ = 318962517984.

The previous prime is 320931422573. The next prime is 320931422597. The reversal of 320931422579 is 975224139023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 975224139023 = 29 ⋅33628418587.

It is a cyclic number.

It is not a de Polignac number, because 320931422579 - 2⁴ = 320931422563 is a prime.

It is a super-2 number, since 2×320931422579² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320931422573) 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 3 ways as a sum of consecutive naturals, for example, 984452054 + ... + 984452379.

It is an arithmetic number, because the mean of its divisors is an integer number (80725081794).

Almost surely, 2^320931422579 is an apocalyptic number.

320931422579 is a deficient number, since it is larger than the sum of its proper divisors (1968904597).

320931422579 is a wasteful number, since it uses less digits than its factorization.

320931422579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968904596.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 320931422579 in words is "three hundred twenty billion, nine hundred thirty-one million, four hundred twenty-two thousand, five hundred seventy-nine".