320131444394 has 8 divisors (see below), whose sum is σ = 480386900448. Its totient is φ = 160002477580.

The previous prime is 320131444357. The next prime is 320131444417. The reversal of 320131444394 is 493444131023.

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

It is an unprimeable number.

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, 31615982 + ... + 31626105.

It is an arithmetic number, because the mean of its divisors is an integer number (60048362556).

Almost surely, 2^320131444394 is an apocalyptic number.

320131444394 is a deficient number, since it is larger than the sum of its proper divisors (160255456054).

320131444394 is a wasteful number, since it uses less digits than its factorization.

320131444394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63244620.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 320131444394 in words is "three hundred twenty billion, one hundred thirty-one million, four hundred forty-four thousand, three hundred ninety-four".