13531204332 has 96 divisors (see below), whose sum is σ = 37437603840. Its totient is φ = 4211585280.

The previous prime is 13531204327. The next prime is 13531204333. The reversal of 13531204332 is 23340213531.

13531204332 is a `hidden beast` number, since 13 + 5 + 312 + 0 + 4 + 332 = 666.

13531204332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13531204296 and 13531204305.

It is not an unprimeable number, because it can be changed into a prime (13531204333) 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 31 ways as a sum of consecutive naturals, for example, 204157 + ... + 262187.

It is an arithmetic number, because the mean of its divisors is an integer number (389975040).

Almost surely, 2^13531204332 is an apocalyptic number.

13531204332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13531204332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18718801920).

13531204332 is an abundant number, since it is smaller than the sum of its proper divisors (23906399508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13531204332 is a wasteful number, since it uses less digits than its factorization.

13531204332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58188 (or 58180 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 13531204332 its reverse (23340213531), we get a palindrome (36871417863).

The spelling of 13531204332 in words is "thirteen billion, five hundred thirty-one million, two hundred four thousand, three hundred thirty-two".