13311400443 has 16 divisors (see below), whose sum is σ = 20203865856. Its totient is φ = 7716753440.

The previous prime is 13311400441. The next prime is 13311400457. The reversal of 13311400443 is 34400411331.

It is not a de Polignac number, because 13311400443 - 2¹ = 13311400441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13311400441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8768280 + ... + 8769797.

It is an arithmetic number, because the mean of its divisors is an integer number (1262741616).

Almost surely, 2^13311400443 is an apocalyptic number.

13311400443 is a deficient number, since it is larger than the sum of its proper divisors (6892465413).

13311400443 is a wasteful number, since it uses less digits than its factorization.

13311400443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17538114.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13311400443 its reverse (34400411331), we get a palindrome (47711811774).

The spelling of 13311400443 in words is "thirteen billion, three hundred eleven million, four hundred thousand, four hundred forty-three".