1131302203 has 2 divisors, whose sum is σ = 1131302204. Its totient is φ = 1131302202.

The previous prime is 1131302197. The next prime is 1131302231. The reversal of 1131302203 is 3022031311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131302203 - 2²⁹ = 594431291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131302233) 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 as a sum of consecutive naturals, namely, 565651101 + 565651102.

It is an arithmetic number, because the mean of its divisors is an integer number (565651102).

Almost surely, 2^1131302203 is an apocalyptic number.

1131302203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131302203 is an equidigital number, since it uses as much as digits as its factorization.

1131302203 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1131302203 is about 33634.8361524179. The cubic root of 1131302203 is about 1041.9803867131.

Adding to 1131302203 its reverse (3022031311), we get a palindrome (4153333514).

The spelling of 1131302203 in words is "one billion, one hundred thirty-one million, three hundred two thousand, two hundred three".