1311132203 has 2 divisors, whose sum is σ = 1311132204. Its totient is φ = 1311132202.

The previous prime is 1311132187. The next prime is 1311132211. The reversal of 1311132203 is 3022311131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1311132203 - 2⁴ = 1311132187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311132103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655566101 + 655566102.

It is an arithmetic number, because the mean of its divisors is an integer number (655566102).

Almost surely, 2^1311132203 is an apocalyptic number.

1311132203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311132203 is an equidigital number, since it uses as much as digits as its factorization.

1311132203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1311132203 is about 36209.5595526927. The cubic root of 1311132203 is about 1094.4993167030.

Adding to 1311132203 its reverse (3022311131), we get a palindrome (4333443334).

The spelling of 1311132203 in words is "one billion, three hundred eleven million, one hundred thirty-two thousand, two hundred three".