2003221203131 has 4 divisors (see below), whose sum is σ = 2003336673264. Its totient is φ = 2003105733000.

The previous prime is 2003221203121. The next prime is 2003221203251. The reversal of 2003221203131 is 1313021223002.

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 2003221203131 - 2¹⁰ = 2003221202107 is a prime.

It is a super-2 number, since 2×2003221203131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003221203121) 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, 57709040 + ... + 57743741.

It is an arithmetic number, because the mean of its divisors is an integer number (500834168316).

Almost surely, 2^{2003221203131} is an apocalyptic number.

2003221203131 is a deficient number, since it is larger than the sum of its proper divisors (115470133).

2003221203131 is a wasteful number, since it uses less digits than its factorization.

2003221203131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115470132.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2003221203131 its reverse (1313021223002), we get a palindrome (3316242426133).

The spelling of 2003221203131 in words is "two trillion, three billion, two hundred twenty-one million, two hundred three thousand, one hundred thirty-one".