13231120131 has 24 divisors (see below), whose sum is σ = 19352933600. Its totient is φ = 8709866496.

The previous prime is 13231120087. The next prime is 13231120153. The reversal of 13231120131 is 13102113231.

It is not a de Polignac number, because 13231120131 - 2¹⁰ = 13231119107 is a prime.

It is a super-2 number, since 2×13231120131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13231190131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303075 + ... + 343971.

Almost surely, 2^13231120131 is an apocalyptic number.

13231120131 is a deficient number, since it is larger than the sum of its proper divisors (6121813469).

13231120131 is a wasteful number, since it uses less digits than its factorization.

13231120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41355 (or 41352 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13231120131 its reverse (13102113231), we get a palindrome (26333233362).

The spelling of 13231120131 in words is "thirteen billion, two hundred thirty-one million, one hundred twenty thousand, one hundred thirty-one".