320143341504 has 56 divisors (see below), whose sum is σ = 968052489088. Its totient is φ = 91469525760.

The previous prime is 320143341487. The next prime is 320143341517. The reversal of 320143341504 is 405143341023.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 119099602 + ... + 119102289.

Almost surely, 2^320143341504 is an apocalyptic number.

It is an amenable number.

320143341504 is an abundant number, since it is smaller than the sum of its proper divisors (647909147584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320143341504 is a wasteful number, since it uses less digits than its factorization.

320143341504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238201913 (or 238201903 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 320143341504 its reverse (405143341023), we get a palindrome (725286682527).

The spelling of 320143341504 in words is "three hundred twenty billion, one hundred forty-three million, three hundred forty-one thousand, five hundred four".