1311213110324 has 12 divisors (see below), whose sum is σ = 2471132400324. Its totient is φ = 605175281664.

The previous prime is 1311213110297. The next prime is 1311213110369. The reversal of 1311213110324 is 4230113121131.

It can be written as a sum of positive squares in 2 ways, for example, as 681202622500 + 630010487824 = 825350^2 + 793732^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1311213110324.

It is a congruent number.

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, 12607818317 + ... + 12607818420.

It is an arithmetic number, because the mean of its divisors is an integer number (205927700027).

Almost surely, 2^{1311213110324} is an apocalyptic number.

It is an amenable number.

1311213110324 is a deficient number, since it is larger than the sum of its proper divisors (1159919290000).

1311213110324 is a wasteful number, since it uses less digits than its factorization.

1311213110324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25215636754 (or 25215636752 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1311213110324 its reverse (4230113121131), we get a palindrome (5541326231455).

The spelling of 1311213110324 in words is "one trillion, three hundred eleven billion, two hundred thirteen million, one hundred ten thousand, three hundred twenty-four".