1331404031044 has 6 divisors (see below), whose sum is σ = 2329957054334. Its totient is φ = 665702015520.

The previous prime is 1331404031033. The next prime is 1331404031059. The reversal of 1331404031044 is 4401304041331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1208702348100 + 122701682944 = 1099410^2 + 350288^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166425503877 + ... + 166425503884.

Almost surely, 2^{1331404031044} is an apocalyptic number.

It is an amenable number.

1331404031044 is a deficient number, since it is larger than the sum of its proper divisors (998553023290).

1331404031044 is a wasteful number, since it uses less digits than its factorization.

1331404031044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332851007765 (or 332851007763 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1331404031044 its reverse (4401304041331), we get a palindrome (5732708072375).

The spelling of 1331404031044 in words is "one trillion, three hundred thirty-one billion, four hundred four million, thirty-one thousand, forty-four".