13531132430 has 32 divisors (see below), whose sum is σ = 24879545280. Its totient is φ = 5297232640.

The previous prime is 13531132411. The next prime is 13531132441. The reversal of 13531132430 is 3423113531.

It is a self number, because there is not a number n which added to its sum of digits gives 13531132430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27716 + ... + 166824.

It is an arithmetic number, because the mean of its divisors is an integer number (777485790).

Almost surely, 2^13531132430 is an apocalyptic number.

13531132430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13531132430 is a deficient number, since it is larger than the sum of its proper divisors (11348412850).

13531132430 is a wasteful number, since it uses less digits than its factorization.

13531132430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139324.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 13531132430 its reverse (3423113531), we get a palindrome (16954245961).

The spelling of 13531132430 in words is "thirteen billion, five hundred thirty-one million, one hundred thirty-two thousand, four hundred thirty".