2001331303 has 8 divisors (see below), whose sum is σ = 2023257600. Its totient is φ = 1979453208.

The previous prime is 2001331291. The next prime is 2001331331. The reversal of 2001331303 is 3031331002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001331303 - 2¹⁷ = 2001200231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001331333) 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, 74838 + ... + 97996.

It is an arithmetic number, because the mean of its divisors is an integer number (252907200).

Almost surely, 2^2001331303 is an apocalyptic number.

2001331303 is a deficient number, since it is larger than the sum of its proper divisors (21926297).

2001331303 is a wasteful number, since it uses less digits than its factorization.

2001331303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24101.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 2001331303 is about 44736.2414938940. The cubic root of 2001331303 is about 1260.2005440011.

Adding to 2001331303 its reverse (3031331002), we get a palindrome (5032662305).

The spelling of 2001331303 in words is "two billion, one million, three hundred thirty-one thousand, three hundred three".