320013330671 has 4 divisors (see below), whose sum is σ = 320153628144. Its totient is φ = 319873033200.

The previous prime is 320013330641. The next prime is 320013330713. The reversal of 320013330671 is 176033310023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176033310023 = 5387 ⋅32677429.

It is a cyclic number.

It is not a de Polignac number, because 320013330671 - 2⁶ = 320013330607 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 (320013330641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70145315 + ... + 70149876.

It is an arithmetic number, because the mean of its divisors is an integer number (80038407036).

Almost surely, 2^320013330671 is an apocalyptic number.

320013330671 is a deficient number, since it is larger than the sum of its proper divisors (140297473).

320013330671 is a wasteful number, since it uses less digits than its factorization.

320013330671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140297472.

The product of its (nonzero) digits is 6804, while the sum is 29.

Adding to 320013330671 its reverse (176033310023), we get a palindrome (496046640694).

The spelling of 320013330671 in words is "three hundred twenty billion, thirteen million, three hundred thirty thousand, six hundred seventy-one".