2001330323303 has 4 divisors (see below), whose sum is σ = 2001628191360. Its totient is φ = 2001032455248.

The previous prime is 2001330323299. The next prime is 2001330323323. The reversal of 2001330323303 is 3033230331002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2001330323303 - 2² = 2001330323299 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 (2001330323323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148923950 + ... + 148937387.

It is an arithmetic number, because the mean of its divisors is an integer number (500407047840).

Almost surely, 2^{2001330323303} is an apocalyptic number.

2001330323303 is a deficient number, since it is larger than the sum of its proper divisors (297868057).

2001330323303 is an equidigital number, since it uses as much as digits as its factorization.

2001330323303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297868056.

The product of its (nonzero) digits is 2916, while the sum is 23.

Adding to 2001330323303 its reverse (3033230331002), we get a palindrome (5034560654305).

The spelling of 2001330323303 in words is "two trillion, one billion, three hundred thirty million, three hundred twenty-three thousand, three hundred three".