13323121131 has 8 divisors (see below), whose sum is σ = 18337199104. Its totient is φ = 8595561960.

The previous prime is 13323121117. The next prime is 13323121171. The reversal of 13323121131 is 13112132331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13323121131 - 2⁵ = 13323121099 is a prime.

It is a super-2 number, since 2×13323121131² (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 = 13323121098 and 13323121107.

It is not an unprimeable number, because it can be changed into a prime (13323121171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71629591 + ... + 71629776.

It is an arithmetic number, because the mean of its divisors is an integer number (2292149888).

Almost surely, 2^13323121131 is an apocalyptic number.

13323121131 is a deficient number, since it is larger than the sum of its proper divisors (5014077973).

13323121131 is a wasteful number, since it uses less digits than its factorization.

13323121131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143259401.

The product of its digits is 324, while the sum is 21.

Adding to 13323121131 its reverse (13112132331), we get a palindrome (26435253462).

The spelling of 13323121131 in words is "thirteen billion, three hundred twenty-three million, one hundred twenty-one thousand, one hundred thirty-one".