13531144330 has 64 divisors (see below), whose sum is σ = 27125798400. Its totient is φ = 4817912320.

The previous prime is 13531144321. The next prime is 13531144369. The reversal of 13531144330 is 3344113531.

It is a super-2 number, since 2×13531144330² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3315231 + ... + 3319309.

It is an arithmetic number, because the mean of its divisors is an integer number (423840600).

Almost surely, 2^13531144330 is an apocalyptic number.

13531144330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13531144330 is an abundant number, since it is smaller than the sum of its proper divisors (13594654070).

13531144330 is a wasteful number, since it uses less digits than its factorization.

13531144330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 13531144330 its reverse (3344113531), we get a palindrome (16875257861).

The spelling of 13531144330 in words is "thirteen billion, five hundred thirty-one million, one hundred forty-four thousand, three hundred thirty".