1143312299 has 2 divisors, whose sum is σ = 1143312300. Its totient is φ = 1143312298.

The previous prime is 1143312283. The next prime is 1143312319. The reversal of 1143312299 is 9922133411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1143312299 - 2⁴ = 1143312283 is a prime.

It is not a weakly prime, because it can be changed into another prime (1143312259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571656149 + 571656150.

It is an arithmetic number, because the mean of its divisors is an integer number (571656150).

Almost surely, 2^1143312299 is an apocalyptic number.

1143312299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143312299 is an equidigital number, since it uses as much as digits as its factorization.

1143312299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 35.

The square root of 1143312299 is about 33812.9013691520. The cubic root of 1143312299 is about 1045.6546950171.

It can be divided in two parts, 11433 and 12299, that added together give a palindrome (23732).

The spelling of 1143312299 in words is "one billion, one hundred forty-three million, three hundred twelve thousand, two hundred ninety-nine".