1331232044 has 6 divisors (see below), whose sum is σ = 2329656084. Its totient is φ = 665616020.

The previous prime is 1331232011. The next prime is 1331232053. The reversal of 1331232044 is 4402321331.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166404002 + ... + 166404009.

It is an arithmetic number, because the mean of its divisors is an integer number (388276014).

Almost surely, 2^1331232044 is an apocalyptic number.

It is an amenable number.

1331232044 is a deficient number, since it is larger than the sum of its proper divisors (998424040).

1331232044 is a wasteful number, since it uses less digits than its factorization.

1331232044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332808015 (or 332808013 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1331232044 is about 36486.0527325168. The cubic root of 1331232044 is about 1100.0639202525.

Adding to 1331232044 its reverse (4402321331), we get a palindrome (5733553375).

The spelling of 1331232044 in words is "one billion, three hundred thirty-one million, two hundred thirty-two thousand, forty-four".