2003321111131 has 4 divisors (see below), whose sum is σ = 2030763866152. Its totient is φ = 1975878356112.

The previous prime is 2003321111111. The next prime is 2003321111159. The reversal of 2003321111131 is 1311111233002.

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 2003321111131 - 2⁷ = 2003321111003 is a prime.

It is a super-2 number, since 2×2003321111131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003321111099 and 2003321111108.

It is not an unprimeable number, because it can be changed into a prime (2003321111101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13721377401 + ... + 13721377546.

It is an arithmetic number, because the mean of its divisors is an integer number (507690966538).

Almost surely, 2^{2003321111131} is an apocalyptic number.

2003321111131 is a deficient number, since it is larger than the sum of its proper divisors (27442755021).

2003321111131 is an equidigital number, since it uses as much as digits as its factorization.

2003321111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27442755020.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 2003321111131 its reverse (1311111233002), we get a palindrome (3314432344133).

The spelling of 2003321111131 in words is "two trillion, three billion, three hundred twenty-one million, one hundred eleven thousand, one hundred thirty-one".