1143431302 has 16 divisors (see below), whose sum is σ = 1865373552. Its totient is φ = 522511200.

The previous prime is 1143431299. The next prime is 1143431321. The reversal of 1143431302 is 2031343411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215088 + ... + 220339.

It is an arithmetic number, because the mean of its divisors is an integer number (116585847).

Almost surely, 2^1143431302 is an apocalyptic number.

1143431302 is a deficient number, since it is larger than the sum of its proper divisors (721942250).

1143431302 is a wasteful number, since it uses less digits than its factorization.

1143431302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435543.

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

The square root of 1143431302 is about 33814.6610510885. The cubic root of 1143431302 is about 1045.6909731564.

Adding to 1143431302 its reverse (2031343411), we get a palindrome (3174774713).

The spelling of 1143431302 in words is "one billion, one hundred forty-three million, four hundred thirty-one thousand, three hundred two".