320111343439 has 8 divisors (see below), whose sum is σ = 330715934208. Its totient is φ = 309524153880.

The previous prime is 320111343437. The next prime is 320111343443. The reversal of 320111343439 is 934343111023.

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

It is a cyclic number.

It is not a de Polignac number, because 320111343439 - 2¹ = 320111343437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320111343437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4312897 + ... + 4386490.

It is an arithmetic number, because the mean of its divisors is an integer number (41339491776).

Almost surely, 2^320111343439 is an apocalyptic number.

320111343439 is a deficient number, since it is larger than the sum of its proper divisors (10604590769).

320111343439 is a wasteful number, since it uses less digits than its factorization.

320111343439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8700605.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 320111343439 in words is "three hundred twenty billion, one hundred eleven million, three hundred forty-three thousand, four hundred thirty-nine".