2003122331291 has 16 divisors (see below), whose sum is σ = 2020732560000. Its totient is φ = 1985582222208.

The previous prime is 2003122331263. The next prime is 2003122331297. The reversal of 2003122331291 is 1921332213002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003122331291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003122331297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144528920 + ... + 144542778.

It is an arithmetic number, because the mean of its divisors is an integer number (126295785000).

Almost surely, 2^{2003122331291} is an apocalyptic number.

2003122331291 is a deficient number, since it is larger than the sum of its proper divisors (17610228709).

2003122331291 is a wasteful number, since it uses less digits than its factorization.

2003122331291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16298.

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 2003122331291 its reverse (1921332213002), we get a palindrome (3924454544293).

The spelling of 2003122331291 in words is "two trillion, three billion, one hundred twenty-two million, three hundred thirty-one thousand, two hundred ninety-one".