1143313204 has 12 divisors (see below), whose sum is σ = 2182688928. Its totient is φ = 519687800.

The previous prime is 1143313183. The next prime is 1143313219. The reversal of 1143313204 is 4023133411.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12992152 + ... + 12992239.

It is an arithmetic number, because the mean of its divisors is an integer number (181890744).

Almost surely, 2^1143313204 is an apocalyptic number.

It is an amenable number.

1143313204 is a deficient number, since it is larger than the sum of its proper divisors (1039375724).

1143313204 is a wasteful number, since it uses less digits than its factorization.

1143313204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25984406 (or 25984404 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1143313204 is about 33812.9147516152. The cubic root of 1143313204 is about 1045.6549709164.

Adding to 1143313204 its reverse (4023133411), we get a palindrome (5166446615).

The spelling of 1143313204 in words is "one billion, one hundred forty-three million, three hundred thirteen thousand, two hundred four".