13021133131 has 4 divisors (see below), whose sum is σ = 13142826072. Its totient is φ = 12899440192.

The previous prime is 13021133101. The next prime is 13021133141. The reversal of 13021133131 is 13133112031.

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

It is a cyclic number.

It is not a de Polignac number, because 13021133131 - 2¹⁵ = 13021100363 is a prime.

It is a super-2 number, since 2×13021133131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13021133099 and 13021133108.

It is not an unprimeable number, because it can be changed into a prime (13021133101) 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, 60846310 + ... + 60846523.

It is an arithmetic number, because the mean of its divisors is an integer number (3285706518).

Almost surely, 2^13021133131 is an apocalyptic number.

13021133131 is a deficient number, since it is larger than the sum of its proper divisors (121692941).

13021133131 is a wasteful number, since it uses less digits than its factorization.

13021133131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121692940.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13021133131 its reverse (13133112031), we get a palindrome (26154245162).

The spelling of 13021133131 in words is "thirteen billion, twenty-one million, one hundred thirty-three thousand, one hundred thirty-one".