2001301331103 has 24 divisors (see below), whose sum is σ = 2961257581568. Its totient is φ = 1301735936592.

The previous prime is 2001301331089. The next prime is 2001301331129. The reversal of 2001301331103 is 3011331031002.

It is a happy number.

2001301331103 is a `hidden beast` number, since 20 + 0 + 1 + 301 + 331 + 10 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-2001301331103 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 (2001301332103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2499775 + ... + 3201792.

Almost surely, 2^{2001301331103} is an apocalyptic number.

2001301331103 is a deficient number, since it is larger than the sum of its proper divisors (959956250465).

2001301331103 is a wasteful number, since it uses less digits than its factorization.

2001301331103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5702523 (or 5702520 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 2001301331103 its reverse (3011331031002), we get a palindrome (5012632362105).

The spelling of 2001301331103 in words is "two trillion, one billion, three hundred one million, three hundred thirty-one thousand, one hundred three".