1243210224313 has 16 divisors (see below), whose sum is σ = 1315455160320. Its totient is φ = 1173011673600.

The previous prime is 1243210224299. The next prime is 1243210224337. The reversal of 1243210224313 is 3134220123421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1243210224313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1243210221313) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1679553 + ... + 2303761.

It is an arithmetic number, because the mean of its divisors is an integer number (82215947520).

Almost surely, 2^{1243210224313} is an apocalyptic number.

It is an amenable number.

1243210224313 is a deficient number, since it is larger than the sum of its proper divisors (72244936007).

1243210224313 is a wasteful number, since it uses less digits than its factorization.

1243210224313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625848.

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

Adding to 1243210224313 its reverse (3134220123421), we get a palindrome (4377430347734).

The spelling of 1243210224313 in words is "one trillion, two hundred forty-three billion, two hundred ten million, two hundred twenty-four thousand, three hundred thirteen".