1143041312 has 24 divisors (see below), whose sum is σ = 2571843456. Its totient is φ = 489874752.

The previous prime is 1143041309. The next prime is 1143041323. The reversal of 1143041312 is 2131403411.

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, 2551208 + ... + 2551655.

It is an arithmetic number, because the mean of its divisors is an integer number (107160144).

Almost surely, 2^1143041312 is an apocalyptic number.

It is an amenable number.

1143041312 is an abundant number, since it is smaller than the sum of its proper divisors (1428802144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143041312 is an equidigital number, since it uses as much as digits as its factorization.

1143041312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102880 (or 5102872 counting only the distinct ones).

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

The square root of 1143041312 is about 33808.8939777686. The cubic root of 1143041312 is about 1045.5720750660.

Adding to 1143041312 its reverse (2131403411), we get a palindrome (3274444723).

The spelling of 1143041312 in words is "one billion, one hundred forty-three million, forty-one thousand, three hundred twelve".