2001241303 has 4 divisors (see below), whose sum is σ = 2025352728. Its totient is φ = 1977129880.

The previous prime is 2001241271. The next prime is 2001241321. The reversal of 2001241303 is 3031421002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3031421002 = 2 ⋅1515710501.

It is a cyclic number.

It is not a de Polignac number, because 2001241303 - 2⁵ = 2001241271 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 (2001241373) 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, 12055588 + ... + 12055753.

It is an arithmetic number, because the mean of its divisors is an integer number (506338182).

Almost surely, 2^2001241303 is an apocalyptic number.

2001241303 is a deficient number, since it is larger than the sum of its proper divisors (24111425).

2001241303 is an equidigital number, since it uses as much as digits as its factorization.

2001241303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24111424.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2001241303 is about 44735.2355867274. The cubic root of 2001241303 is about 1260.1816532842.

Adding to 2001241303 its reverse (3031421002), we get a palindrome (5032662305).

The spelling of 2001241303 in words is "two billion, one million, two hundred forty-one thousand, three hundred three".