1311430212044 has 12 divisors (see below), whose sum is σ = 2303932845144. Its totient is φ = 653163684864.

The previous prime is 1311430212031. The next prime is 1311430212073. The reversal of 1311430212044 is 4402120341131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637854134 + ... + 637856189.

It is an arithmetic number, because the mean of its divisors is an integer number (191994403762).

Almost surely, 2^{1311430212044} is an apocalyptic number.

It is an amenable number.

1311430212044 is a deficient number, since it is larger than the sum of its proper divisors (992502633100).

1311430212044 is a wasteful number, since it uses less digits than its factorization.

1311430212044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275710584 (or 1275710582 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1311430212044 its reverse (4402120341131), we get a palindrome (5713550553175).

The spelling of 1311430212044 in words is "one trillion, three hundred eleven billion, four hundred thirty million, two hundred twelve thousand, forty-four".