1131131003 has 2 divisors, whose sum is σ = 1131131004. Its totient is φ = 1131131002.

The previous prime is 1131130951. The next prime is 1131131011. The reversal of 1131131003 is 3001311311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131131003 - 2¹² = 1131126907 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131131063) 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, 565565501 + 565565502.

It is an arithmetic number, because the mean of its divisors is an integer number (565565502).

Almost surely, 2^1131131003 is an apocalyptic number.

1131131003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131131003 is an equidigital number, since it uses as much as digits as its factorization.

1131131003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1131131003 is about 33632.2910756909. The cubic root of 1131131003 is about 1041.9278230860.

Adding to 1131131003 its reverse (3001311311), we get a palindrome (4132442314).

The spelling of 1131131003 in words is "one billion, one hundred thirty-one million, one hundred thirty-one thousand, three".