2003121032303 has 16 divisors (see below), whose sum is σ = 2148408269280. Its totient is φ = 1860924804096.

The previous prime is 2003121032261. The next prime is 2003121032309. The reversal of 2003121032303 is 3032301213002.

It is a cyclic number.

It is not a de Polignac number, because 2003121032303 - 2¹⁴ = 2003121015919 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 (2003121032309) 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, 964301 + ... + 2221737.

It is an arithmetic number, because the mean of its divisors is an integer number (134275516830).

Almost surely, 2^{2003121032303} is an apocalyptic number.

2003121032303 is a deficient number, since it is larger than the sum of its proper divisors (145287236977).

2003121032303 is a wasteful number, since it uses less digits than its factorization.

2003121032303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258666.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 2003121032303 its reverse (3032301213002), we get a palindrome (5035422245305).

The spelling of 2003121032303 in words is "two trillion, three billion, one hundred twenty-one million, thirty-two thousand, three hundred three".