1331133203 has 2 divisors, whose sum is σ = 1331133204. Its totient is φ = 1331133202.

The previous prime is 1331133197. The next prime is 1331133229. The reversal of 1331133203 is 3023311331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1331133203 - 2²⁰ = 1330084627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331133283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665566601 + 665566602.

It is an arithmetic number, because the mean of its divisors is an integer number (665566602).

Almost surely, 2^1331133203 is an apocalyptic number.

1331133203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331133203 is an equidigital number, since it uses as much as digits as its factorization.

1331133203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 1331133203 is about 36484.6982034935. The cubic root of 1331133203 is about 1100.0366938173.

Adding to 1331133203 its reverse (3023311331), we get a palindrome (4354444534).

The spelling of 1331133203 in words is "one billion, three hundred thirty-one million, one hundred thirty-three thousand, two hundred three".