1000320331112 has 32 divisors (see below), whose sum is σ = 1882476722280. Its totient is φ = 498329176320.

The previous prime is 1000320331111. The next prime is 1000320331151. The reversal of 1000320331112 is 2111330230001.

It can be written as a sum of positive squares in 4 ways, for example, as 996774604996 + 3545726116 = 998386^2 + 59546^2 .

It is not an unprimeable number, because it can be changed into a prime (1000320331111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882498 + ... + 3210830.

Almost surely, 2^{1000320331112} is an apocalyptic number.

It is an amenable number.

1000320331112 is a deficient number, since it is larger than the sum of its proper divisors (882156391168).

1000320331112 is a wasteful number, since it uses less digits than its factorization.

1000320331112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329733 (or 329729 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1000320331112 its reverse (2111330230001), we get a palindrome (3111650561113).

The spelling of 1000320331112 in words is "one trillion, three hundred twenty million, three hundred thirty-one thousand, one hundred twelve".