13312213301243 has 4 divisors (see below), whose sum is σ = 13312234444608. Its totient is φ = 13312192157880.

The previous prime is 13312213301207. The next prime is 13312213301353. The reversal of 13312213301243 is 34210331221331.

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

It is a cyclic number.

It is not a de Polignac number, because 13312213301243 - 2³⁶ = 13243493824507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13312213301843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9597323 + ... + 10896468.

It is an arithmetic number, because the mean of its divisors is an integer number (3328058611152).

Almost surely, 2^{13312213301243} is an apocalyptic number.

13312213301243 is a deficient number, since it is larger than the sum of its proper divisors (21143365).

13312213301243 is an equidigital number, since it uses as much as digits as its factorization.

13312213301243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21143364.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 13312213301243 its reverse (34210331221331), we get a palindrome (47522544522574).

The spelling of 13312213301243 in words is "thirteen trillion, three hundred twelve billion, two hundred thirteen million, three hundred one thousand, two hundred forty-three".