2001031304 has 16 divisors (see below), whose sum is σ = 3781478400. Its totient is φ = 992637072.

The previous prime is 2001031297. The next prime is 2001031309. The reversal of 2001031304 is 4031301002.

It is not an unprimeable number, because it can be changed into a prime (2001031309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983744 + ... + 985775.

It is an arithmetic number, because the mean of its divisors is an integer number (236342400).

Almost surely, 2^2001031304 is an apocalyptic number.

It is an amenable number.

2001031304 is a deficient number, since it is larger than the sum of its proper divisors (1780447096).

2001031304 is a wasteful number, since it uses less digits than its factorization.

2001031304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969652 (or 1969648 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2001031304 is about 44732.8883932169. Note that the first 3 decimals coincide. The cubic root of 2001031304 is about 1260.1375729520.

Adding to 2001031304 its reverse (4031301002), we get a palindrome (6032332306).

The spelling of 2001031304 in words is "two billion, one million, thirty-one thousand, three hundred four".