13531104231 has 8 divisors (see below), whose sum is σ = 18244185840. Its totient is φ = 8919379392.

The previous prime is 13531104221. The next prime is 13531104259. The reversal of 13531104231 is 13240113531.

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

It is not a de Polignac number, because 13531104231 - 2¹⁰ = 13531103207 is a prime.

It is a super-2 number, since 2×13531104231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531104211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25338880 + ... + 25339413.

It is an arithmetic number, because the mean of its divisors is an integer number (2280523230).

Almost surely, 2^13531104231 is an apocalyptic number.

13531104231 is a deficient number, since it is larger than the sum of its proper divisors (4713081609).

13531104231 is an equidigital number, since it uses as much as digits as its factorization.

13531104231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50678385.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 13531104231 its reverse (13240113531), we get a palindrome (26771217762).

The spelling of 13531104231 in words is "thirteen billion, five hundred thirty-one million, one hundred four thousand, two hundred thirty-one".