1313424216343 has 4 divisors (see below), whose sum is σ = 1313831988648. Its totient is φ = 1313016444040.

The previous prime is 1313424216337. The next prime is 1313424216347. The reversal of 1313424216343 is 3436124243131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313424216343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313424216347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203881321 + ... + 203887762.

It is an arithmetic number, because the mean of its divisors is an integer number (328457997162).

Almost surely, 2^{1313424216343} is an apocalyptic number.

1313424216343 is a deficient number, since it is larger than the sum of its proper divisors (407772305).

1313424216343 is an equidigital number, since it uses as much as digits as its factorization.

1313424216343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407772304.

The product of its digits is 124416, while the sum is 37.

Adding to 1313424216343 its reverse (3436124243131), we get a palindrome (4749548459474).

The spelling of 1313424216343 in words is "one trillion, three hundred thirteen billion, four hundred twenty-four million, two hundred sixteen thousand, three hundred forty-three".