13531130231 has 8 divisors (see below), whose sum is σ = 14249875200. Its totient is φ = 12813043320.

The previous prime is 13531130209. The next prime is 13531130233. The reversal of 13531130231 is 13203113531.

13531130231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13531130231 - 2⁶ = 13531130167 is a prime.

It is a super-2 number, since 2×13531130231² (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 = 13531130197 and 13531130206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531130233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122015 + ... + 204816.

It is an arithmetic number, because the mean of its divisors is an integer number (1781234400).

Almost surely, 2^13531130231 is an apocalyptic number.

13531130231 is a deficient number, since it is larger than the sum of its proper divisors (718744969).

13531130231 is a wasteful number, since it uses less digits than its factorization.

13531130231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329029.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 13531130231 its reverse (13203113531), we get a palindrome (26734243762).

The spelling of 13531130231 in words is "thirteen billion, five hundred thirty-one million, one hundred thirty thousand, two hundred thirty-one".