1303331103 has 12 divisors (see below), whose sum is σ = 1922645088. Its totient is φ = 850400160.

The previous prime is 1303331059. The next prime is 1303331143. The reversal of 1303331103 is 3011333031.

It is not a de Polignac number, because 1303331103 - 2¹⁰ = 1303330079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303331143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1540158 + ... + 1541003.

It is an arithmetic number, because the mean of its divisors is an integer number (160220424).

Almost surely, 2^1303331103 is an apocalyptic number.

1303331103 is a deficient number, since it is larger than the sum of its proper divisors (619313985).

1303331103 is a wasteful number, since it uses less digits than its factorization.

1303331103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081214 (or 3081211 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 1303331103 is about 36101.6772879045. The cubic root of 1303331103 is about 1092.3242782657.

Adding to 1303331103 its reverse (3011333031), we get a palindrome (4314664134).

The spelling of 1303331103 in words is "one billion, three hundred three million, three hundred thirty-one thousand, one hundred three".