2001442303 has 4 divisors (see below), whose sum is σ = 2287362640. Its totient is φ = 1715521968.

The previous prime is 2001442271. The next prime is 2001442357. The reversal of 2001442303 is 3032441002.

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 2001442303 - 2⁵ = 2001442271 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 (2001442393) 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, 142960158 + ... + 142960171.

It is an arithmetic number, because the mean of its divisors is an integer number (571840660).

Almost surely, 2^2001442303 is an apocalyptic number.

2001442303 is a deficient number, since it is larger than the sum of its proper divisors (285920337).

2001442303 is an equidigital number, since it uses as much as digits as its factorization.

2001442303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285920336.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2001442303 is about 44737.4820815834. The cubic root of 2001442303 is about 1260.2238417719.

Adding to 2001442303 its reverse (3032441002), we get a palindrome (5033883305).

The spelling of 2001442303 in words is "two billion, one million, four hundred forty-two thousand, three hundred three".