1143131204 has 24 divisors (see below), whose sum is σ = 2122565760. Its totient is φ = 536823936.

The previous prime is 1143131177. The next prime is 1143131207. The reversal of 1143131204 is 4021313411.

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1143131207) 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, 15857 + ... + 50375.

It is an arithmetic number, because the mean of its divisors is an integer number (88440240).

Almost surely, 2^1143131204 is an apocalyptic number.

It is an amenable number.

1143131204 is a deficient number, since it is larger than the sum of its proper divisors (979434556).

1143131204 is a wasteful number, since it uses less digits than its factorization.

1143131204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35027 (or 35025 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1143131204 is about 33810.2233651303. The cubic root of 1143131204 is about 1045.5994832620.

Adding to 1143131204 its reverse (4021313411), we get a palindrome (5164444615).

The spelling of 1143131204 in words is "one billion, one hundred forty-three million, one hundred thirty-one thousand, two hundred four".