1131143183 has 2 divisors, whose sum is σ = 1131143184. Its totient is φ = 1131143182.

The previous prime is 1131143149. The next prime is 1131143213. The reversal of 1131143183 is 3813411311.

It is a strong prime.

It is an emirp because it is prime and its reverse (3813411311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1131143183 - 2¹⁸ = 1130881039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131133183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565571591 + 565571592.

It is an arithmetic number, because the mean of its divisors is an integer number (565571592).

Almost surely, 2^1131143183 is an apocalyptic number.

1131143183 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131143183 is an equidigital number, since it uses as much as digits as its factorization.

1131143183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

The square root of 1131143183 is about 33632.4721511815. The cubic root of 1131143183 is about 1041.9315628931.

Adding to 1131143183 its reverse (3813411311), we get a palindrome (4944554494).

The spelling of 1131143183 in words is "one billion, one hundred thirty-one million, one hundred forty-three thousand, one hundred eighty-three".