1331143124 has 24 divisors (see below), whose sum is σ = 2476656000. Its totient is φ = 624619424.

The previous prime is 1331143111. The next prime is 1331143141. The reversal of 1331143124 is 4213411331.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 1331143124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131624 + ... + 141375.

It is an arithmetic number, because the mean of its divisors is an integer number (103194000).

Almost surely, 2^1331143124 is an apocalyptic number.

It is an amenable number.

1331143124 is a deficient number, since it is larger than the sum of its proper divisors (1145512876).

1331143124 is a wasteful number, since it uses less digits than its factorization.

1331143124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273079 (or 273077 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 1331143124 is about 36484.8341643483. The cubic root of 1331143124 is about 1100.0394266860.

Adding to 1331143124 its reverse (4213411331), we get a palindrome (5544554455).

The spelling of 1331143124 in words is "one billion, three hundred thirty-one million, one hundred forty-three thousand, one hundred twenty-four".