1303211203 has 12 divisors (see below), whose sum is σ = 1516874880. Its totient is φ = 1116379152.

The previous prime is 1303211141. The next prime is 1303211233. The reversal of 1303211203 is 3021123031.

It is not a de Polignac number, because 1303211203 - 2¹⁷ = 1303080131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303211233) 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, 87838 + ... + 101596.

It is an arithmetic number, because the mean of its divisors is an integer number (126406240).

Almost surely, 2^1303211203 is an apocalyptic number.

1303211203 is a deficient number, since it is larger than the sum of its proper divisors (213663677).

1303211203 is a wasteful number, since it uses less digits than its factorization.

1303211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15706 (or 15699 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1303211203 is about 36100.0166620460. The cubic root of 1303211203 is about 1092.2907810991.

Adding to 1303211203 its reverse (3021123031), we get a palindrome (4324334234).

The spelling of 1303211203 in words is "one billion, three hundred three million, two hundred eleven thousand, two hundred three".