320044420311 has 64 divisors (see below), whose sum is σ = 546405350400. Its totient is φ = 161782963200.

The previous prime is 320044420303. The next prime is 320044420321. The reversal of 320044420311 is 113024440023.

It is not a de Polignac number, because 320044420311 - 2³ = 320044420303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320044420321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3640785 + ... + 3727653.

It is an arithmetic number, because the mean of its divisors is an integer number (8537583600).

Almost surely, 2^320044420311 is an apocalyptic number.

320044420311 is a deficient number, since it is larger than the sum of its proper divisors (226360930089).

320044420311 is a wasteful number, since it uses less digits than its factorization.

320044420311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87320.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 320044420311 its reverse (113024440023), we get a palindrome (433068860334).

The spelling of 320044420311 in words is "three hundred twenty billion, forty-four million, four hundred twenty thousand, three hundred eleven".