1143314011 has 8 divisors (see below), whose sum is σ = 1333311200. Its totient is φ = 979983144.

The previous prime is 1143313993. The next prime is 1143314017. The reversal of 1143314011 is 1104133411.

It is not a de Polignac number, because 1143314011 - 2⁵ = 1143313979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1143314011.

It is not an unprimeable number, because it can be changed into a prime (1143314017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666296 + ... + 1666981.

It is an arithmetic number, because the mean of its divisors is an integer number (166663900).

Almost surely, 2^1143314011 is an apocalyptic number.

1143314011 is a deficient number, since it is larger than the sum of its proper divisors (189997189).

1143314011 is an frugal number, since it uses more digits than its factorization.

1143314011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333298 (or 3333284 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1143314011 is about 33812.9266849233. The cubic root of 1143314011 is about 1045.6552169392.

Adding to 1143314011 its reverse (1104133411), we get a palindrome (2247447422).

The spelling of 1143314011 in words is "one billion, one hundred forty-three million, three hundred fourteen thousand, eleven".