13311441400243 has 4 divisors (see below), whose sum is σ = 15213075886000. Its totient is φ = 11409806914488.

The previous prime is 13311441400193. The next prime is 13311441400303. The reversal of 13311441400243 is 34200414411331.

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 13311441400243 - 2²¹ = 13311439303091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13311441400843) 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, 950817242868 + ... + 950817242881.

It is an arithmetic number, because the mean of its divisors is an integer number (3803268971500).

Almost surely, 2^{13311441400243} is an apocalyptic number.

13311441400243 is a deficient number, since it is larger than the sum of its proper divisors (1901634485757).

13311441400243 is an equidigital number, since it uses as much as digits as its factorization.

13311441400243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901634485756.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 13311441400243 its reverse (34200414411331), we get a palindrome (47511855811574).

The spelling of 13311441400243 in words is "thirteen trillion, three hundred eleven billion, four hundred forty-one million, four hundred thousand, two hundred forty-three".