320031303104 has 28 divisors (see below), whose sum is σ = 656960814600. Its totient is φ = 154497869568.

The previous prime is 320031303103. The next prime is 320031303131. The reversal of 320031303104 is 401303130023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320031303101) 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, 86213474 + ... + 86217185.

Almost surely, 2^320031303104 is an apocalyptic number.

It is an amenable number.

320031303104 is an abundant number, since it is smaller than the sum of its proper divisors (336929511496).

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

320031303104 is a wasteful number, since it uses less digits than its factorization.

320031303104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172430700 (or 172430690 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 320031303104 its reverse (401303130023), we get a palindrome (721334433127).

The spelling of 320031303104 in words is "three hundred twenty billion, thirty-one million, three hundred three thousand, one hundred four".