1143413113 has 2 divisors, whose sum is σ = 1143413114. Its totient is φ = 1143413112.

The previous prime is 1143413111. The next prime is 1143413137. The reversal of 1143413113 is 3113143411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 604569744 + 538843369 = 24588^2 + 23213^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143413113 - 2¹ = 1143413111 is a prime.

Together with 1143413111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1143413111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571706556 + 571706557.

It is an arithmetic number, because the mean of its divisors is an integer number (571706557).

Almost surely, 2^1143413113 is an apocalyptic number.

It is an amenable number.

1143413113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143413113 is an equidigital number, since it uses as much as digits as its factorization.

1143413113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 1143413113 is about 33814.3920986316. The cubic root of 1143413113 is about 1045.6854283913.

Adding to 1143413113 its reverse (3113143411), we get a palindrome (4256556524).

The spelling of 1143413113 in words is "one billion, one hundred forty-three million, four hundred thirteen thousand, one hundred thirteen".