1331043304 has 32 divisors (see below), whose sum is σ = 2648376000. Its totient is φ = 625791232.

The previous prime is 1331043269. The next prime is 1331043317. The reversal of 1331043304 is 4033401331.

It is a happy 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, 50449 + ... + 72160.

It is an arithmetic number, because the mean of its divisors is an integer number (82761750).

Almost surely, 2^1331043304 is an apocalyptic number.

It is an amenable number.

1331043304 is a deficient number, since it is larger than the sum of its proper divisors (1317332696).

1331043304 is a wasteful number, since it uses less digits than its factorization.

1331043304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122697 (or 122693 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1331043304 is about 36483.4661730489. The cubic root of 1331043304 is about 1100.0119293472.

Adding to 1331043304 its reverse (4033401331), we get a palindrome (5364444635).

The spelling of 1331043304 in words is "one billion, three hundred thirty-one million, forty-three thousand, three hundred four".