1003203323111 has 16 divisors (see below), whose sum is σ = 1180644100128. Its totient is φ = 842160384000.

The previous prime is 1003203323093. The next prime is 1003203323113. The reversal of 1003203323111 is 1113233023001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003203323111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003203323113) 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 15 ways as a sum of consecutive naturals, for example, 50600690 + ... + 50620511.

It is an arithmetic number, because the mean of its divisors is an integer number (73790256258).

Almost surely, 2^{1003203323111} is an apocalyptic number.

1003203323111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1003203323111 is a deficient number, since it is larger than the sum of its proper divisors (177440777017).

1003203323111 is a wasteful number, since it uses less digits than its factorization.

1003203323111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101221282.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1003203323111 its reverse (1113233023001), we get a palindrome (2116436346112).

The spelling of 1003203323111 in words is "one trillion, three billion, two hundred three million, three hundred twenty-three thousand, one hundred eleven".