13320311400443 has 8 divisors (see below), whose sum is σ = 13589006832720. Its totient is φ = 13053239506080.

The previous prime is 13320311400421. The next prime is 13320311400503. The reversal of 13320311400443 is 34400411302331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13320311400443 - 2⁶ = 13320311400379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13320311400343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405867905 + ... + 405900722.

It is an arithmetic number, because the mean of its divisors is an integer number (1698625854090).

Almost surely, 2^{13320311400443} is an apocalyptic number.

13320311400443 is a deficient number, since it is larger than the sum of its proper divisors (268695432277).

13320311400443 is an equidigital number, since it uses as much as digits as its factorization.

13320311400443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811768957.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 13320311400443 its reverse (34400411302331), we get a palindrome (47720722702774).

The spelling of 13320311400443 in words is "thirteen trillion, three hundred twenty billion, three hundred eleven million, four hundred thousand, four hundred forty-three".