2001331304 has 48 divisors (see below), whose sum is σ = 4447556100. Its totient is φ = 841521408.

The previous prime is 2001331291. The next prime is 2001331331. The reversal of 2001331304 is 4031331002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1998268804 + 3062500 = 44702^2 + 1750^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27389 + ... + 68940.

Almost surely, 2^2001331304 is an apocalyptic number.

It is an amenable number.

2001331304 is an abundant number, since it is smaller than the sum of its proper divisors (2446224796).

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

2001331304 is a wasteful number, since it uses less digits than its factorization.

2001331304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96402 (or 96391 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2001331304 is about 44736.2415050706. The cubic root of 2001331304 is about 1260.2005442110.

Adding to 2001331304 its reverse (4031331002), we get a palindrome (6032662306).

The spelling of 2001331304 in words is "two billion, one million, three hundred thirty-one thousand, three hundred four".