13131013321133 has 4 divisors (see below), whose sum is σ = 13131613453308. Its totient is φ = 13130413188960.

The previous prime is 13131013321123. The next prime is 13131013321169. The reversal of 13131013321133 is 33112331013131.

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 4279180429924 + 8851832891209 = 2068618^2 + 2975203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13131013321133 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 (13131013321123) 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, 300033266 + ... + 300077027.

It is an arithmetic number, because the mean of its divisors is an integer number (3282903363327).

Almost surely, 2^{13131013321133} is an apocalyptic number.

It is an amenable number.

13131013321133 is a deficient number, since it is larger than the sum of its proper divisors (600132175).

13131013321133 is an equidigital number, since it uses as much as digits as its factorization.

13131013321133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600132174.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 13131013321133 its reverse (33112331013131), we get a palindrome (46243344334264).

The spelling of 13131013321133 in words is "thirteen trillion, one hundred thirty-one billion, thirteen million, three hundred twenty-one thousand, one hundred thirty-three".