1331244031204 has 12 divisors (see below), whose sum is σ = 2369163106800. Its totient is φ = 654340286408.

The previous prime is 1331244031199. The next prime is 1331244031217. The reversal of 1331244031204 is 4021304421331.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2820432034 + ... + 2820432505.

It is an arithmetic number, because the mean of its divisors is an integer number (197430258900).

Almost surely, 2^{1331244031204} is an apocalyptic number.

It is an amenable number.

1331244031204 is a deficient number, since it is larger than the sum of its proper divisors (1037919075596).

1331244031204 is a wasteful number, since it uses less digits than its factorization.

1331244031204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640864602 (or 5640864600 counting only the distinct ones).

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

Adding to 1331244031204 its reverse (4021304421331), we get a palindrome (5352548452535).

The spelling of 1331244031204 in words is "one trillion, three hundred thirty-one billion, two hundred forty-four million, thirty-one thousand, two hundred four".