1321341031144 has 8 divisors (see below), whose sum is σ = 2477514433410. Its totient is φ = 660670515568.

The previous prime is 1321341031139. The next prime is 1321341031169. The reversal of 1321341031144 is 4411301431231.

It can be written as a sum of positive squares in only one way, i.e., 870791318244 + 450549712900 = 933162^2 + 671230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82583814439 + ... + 82583814454.

Almost surely, 2^{1321341031144} is an apocalyptic number.

It is an amenable number.

1321341031144 is a deficient number, since it is larger than the sum of its proper divisors (1156173402266).

1321341031144 is a wasteful number, since it uses less digits than its factorization.

1321341031144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165167628899 (or 165167628895 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 1321341031144 its reverse (4411301431231), we get a palindrome (5732642462375).

The spelling of 1321341031144 in words is "one trillion, three hundred twenty-one billion, three hundred forty-one million, thirty-one thousand, one hundred forty-four".