13235550531 has 8 divisors (see below), whose sum is σ = 20168457984. Its totient is φ = 7563171720.

The previous prime is 13235550529. The next prime is 13235550541. The reversal of 13235550531 is 13505553231.

It is a happy number.

13235550531 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 not a de Polignac number, because 13235550531 - 2¹ = 13235550529 is a prime.

It is a super-2 number, since 2×13235550531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13235550492 and 13235550501.

It is not an unprimeable number, because it can be changed into a prime (13235550511) 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, 315132135 + ... + 315132176.

It is an arithmetic number, because the mean of its divisors is an integer number (2521057248).

Almost surely, 2^13235550531 is an apocalyptic number.

13235550531 is a deficient number, since it is larger than the sum of its proper divisors (6932907453).

13235550531 is an equidigital number, since it uses as much as digits as its factorization.

13235550531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630264321.

The product of its (nonzero) digits is 33750, while the sum is 33.

The spelling of 13235550531 in words is "thirteen billion, two hundred thirty-five million, five hundred fifty thousand, five hundred thirty-one".