320343133044 has 24 divisors (see below), whose sum is σ = 815418884448. Its totient is φ = 97073676640.

The previous prime is 320343132973. The next prime is 320343133049. The reversal of 320343133044 is 440331343023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320343133049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213420827 + ... + 1213421090.

It is an arithmetic number, because the mean of its divisors is an integer number (33975786852).

Almost surely, 2^320343133044 is an apocalyptic number.

It is an amenable number.

320343133044 is an abundant number, since it is smaller than the sum of its proper divisors (495075751404).

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

320343133044 is a wasteful number, since it uses less digits than its factorization.

320343133044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426841935 (or 2426841933 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 320343133044 its reverse (440331343023), we get a palindrome (760674476067).

The spelling of 320343133044 in words is "three hundred twenty billion, three hundred forty-three million, one hundred thirty-three thousand, forty-four".