13213133234403 has 16 divisors (see below), whose sum is σ = 18020333646336. Its totient is φ = 8607927114720.

The previous prime is 13213133234381. The next prime is 13213133234467. The reversal of 13213133234403 is 30443233131231.

It is a happy number.

It is not a de Polignac number, because 13213133234403 - 2⁹ = 13213133233891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13213133234003) 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, 72778828 + ... + 72960153.

It is an arithmetic number, because the mean of its divisors is an integer number (1126270852896).

Almost surely, 2^{13213133234403} is an apocalyptic number.

13213133234403 is a deficient number, since it is larger than the sum of its proper divisors (4807200411933).

13213133234403 is a wasteful number, since it uses less digits than its factorization.

13213133234403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145739674.

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 13213133234403 its reverse (30443233131231), we get a palindrome (43656366365634).

The spelling of 13213133234403 in words is "thirteen trillion, two hundred thirteen billion, one hundred thirty-three million, two hundred thirty-four thousand, four hundred three".