1143111314 has 24 divisors (see below), whose sum is σ = 1850585940. Its totient is φ = 527740928.

The previous prime is 1143111287. The next prime is 1143111323. The reversal of 1143111314 is 4131113411.

It can be written as a sum of positive squares in 6 ways, for example, as 721835689 + 421275625 = 26867^2 + 20525^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89522 + ... + 101490.

Almost surely, 2^1143111314 is an apocalyptic number.

1143111314 is a deficient number, since it is larger than the sum of its proper divisors (707474626).

1143111314 is a wasteful number, since it uses less digits than its factorization.

1143111314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12094 (or 12041 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

The square root of 1143111314 is about 33809.9292220495. The cubic root of 1143111314 is about 1045.5934188971.

Adding to 1143111314 its reverse (4131113411), we get a palindrome (5274224725).

The spelling of 1143111314 in words is "one billion, one hundred forty-three million, one hundred eleven thousand, three hundred fourteen".