13313211312133 has 4 divisors (see below), whose sum is σ = 13313573504748. Its totient is φ = 13312849119520.

The previous prime is 13313211312131. The next prime is 13313211312169. The reversal of 13313211312133 is 33121311231331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4154495674564 + 9158715637569 = 2038258^2 + 3026337^2 .

It is a cyclic number.

It is not a de Polignac number, because 13313211312133 - 2¹ = 13313211312131 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 (13313211312131) 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, 181041166 + ... + 181114687.

It is an arithmetic number, because the mean of its divisors is an integer number (3328393376187).

Almost surely, 2^{13313211312133} is an apocalyptic number.

It is an amenable number.

13313211312133 is a deficient number, since it is larger than the sum of its proper divisors (362192615).

13313211312133 is an equidigital number, since it uses as much as digits as its factorization.

13313211312133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362192614.

The product of its digits is 2916, while the sum is 28.

Adding to 13313211312133 its reverse (33121311231331), we get a palindrome (46434522543464).

The spelling of 13313211312133 in words is "thirteen trillion, three hundred thirteen billion, two hundred eleven million, three hundred twelve thousand, one hundred thirty-three".