13313231013133 has 16 divisors (see below), whose sum is σ = 13775348420784. Its totient is φ = 12856532129280.

The previous prime is 13313231013113. The next prime is 13313231013149. The reversal of 13313231013133 is 33131013231331.

It can be written as a sum of positive squares in 8 ways, for example, as 3850550647524 + 9462680365609 = 1962282^2 + 3076147^2 .

It is a cyclic number.

It is not a de Polignac number, because 13313231013133 - 2³³ = 13304641078541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313231013113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28054791 + ... + 28525387.

It is an arithmetic number, because the mean of its divisors is an integer number (860959276299).

Almost surely, 2^{13313231013133} is an apocalyptic number.

It is an amenable number.

13313231013133 is a deficient number, since it is larger than the sum of its proper divisors (462117407651).

13313231013133 is a wasteful number, since it uses less digits than its factorization.

13313231013133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476352.

The product of its (nonzero) digits is 4374, while the sum is 28.

Adding to 13313231013133 its reverse (33131013231331), we get a palindrome (46444244244464).

The spelling of 13313231013133 in words is "thirteen trillion, three hundred thirteen billion, two hundred thirty-one million, thirteen thousand, one hundred thirty-three".