320324143152 has 160 divisors (see below), whose sum is σ = 946565790912. Its totient is φ = 92469952512.

The previous prime is 320324143133. The next prime is 320324143159. The reversal of 320324143152 is 251341423023.

It is not an unprimeable number, because it can be changed into a prime (320324143159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3315108 + ... + 3410364.

Almost surely, 2^320324143152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320324143152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473282895456).

320324143152 is an abundant number, since it is smaller than the sum of its proper divisors (626241647760).

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

320324143152 is a wasteful number, since it uses less digits than its factorization.

320324143152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95615 (or 95609 counting only the distinct ones).

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

Adding to 320324143152 its reverse (251341423023), we get a palindrome (571665566175).

The spelling of 320324143152 in words is "three hundred twenty billion, three hundred twenty-four million, one hundred forty-three thousand, one hundred fifty-two".