320031010032 has 80 divisors (see below), whose sum is σ = 844606575648. Its totient is φ = 104383319040.

The previous prime is 320031010021. The next prime is 320031010063. The reversal of 320031010032 is 230010130023.

It is a junction number, because it is equal to n+sod(n) for n = 320031009993 and 320031010020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780282 + ... + 1117542.

Almost surely, 2^320031010032 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 320031010032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422303287824).

320031010032 is an abundant number, since it is smaller than the sum of its proper divisors (524575565616).

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

320031010032 is a wasteful number, since it uses less digits than its factorization.

320031010032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337698 (or 337692 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 320031010032 its reverse (230010130023), we get a palindrome (550041140055).

The spelling of 320031010032 in words is "three hundred twenty billion, thirty-one million, ten thousand, thirty-two".