1331004044 has 24 divisors (see below), whose sum is σ = 2374729728. Its totient is φ = 652600080.

The previous prime is 1331004041. The next prime is 1331004107. The reversal of 1331004044 is 4404001331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1331004041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48629 + ... + 70899.

It is an arithmetic number, because the mean of its divisors is an integer number (98947072).

Almost surely, 2^1331004044 is an apocalyptic number.

It is an amenable number.

1331004044 is a deficient number, since it is larger than the sum of its proper divisors (1043725684).

1331004044 is a wasteful number, since it uses less digits than its factorization.

1331004044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22565 (or 22563 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1331004044 is about 36482.9281171345. The cubic root of 1331004044 is about 1100.0011140485.

Adding to 1331004044 its reverse (4404001331), we get a palindrome (5735005375).

The spelling of 1331004044 in words is "one billion, three hundred thirty-one million, four thousand, forty-four".