1311321445022 has 16 divisors (see below), whose sum is σ = 2007369650832. Its totient is φ = 642306360960.

The previous prime is 1311321445003. The next prime is 1311321445103. The reversal of 1311321445022 is 2205441231131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27008843 + ... + 27057350.

It is an arithmetic number, because the mean of its divisors is an integer number (125460603177).

Almost surely, 2^{1311321445022} is an apocalyptic number.

1311321445022 is a deficient number, since it is larger than the sum of its proper divisors (696048205810).

1311321445022 is a wasteful number, since it uses less digits than its factorization.

1311321445022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54066443.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 1311321445022 its reverse (2205441231131), we get a palindrome (3516762676153).

The spelling of 1311321445022 in words is "one trillion, three hundred eleven billion, three hundred twenty-one million, four hundred forty-five thousand, twenty-two".