13531053320 has 16 divisors (see below), whose sum is σ = 30444870060. Its totient is φ = 5412421312.

The previous prime is 13531053299. The next prime is 13531053379. The reversal of 13531053320 is 2335013531.

It can be written as a sum of positive squares in 2 ways, for example, as 13257680164 + 273373156 = 115142^2 + 16534^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13531053320.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169138127 + ... + 169138206.

Almost surely, 2^13531053320 is an apocalyptic number.

13531053320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13531053320 is an abundant number, since it is smaller than the sum of its proper divisors (16913816740).

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

13531053320 is a wasteful number, since it uses less digits than its factorization.

13531053320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338276344 (or 338276340 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 26.

Adding to 13531053320 its reverse (2335013531), we get a palindrome (15866066851).

The spelling of 13531053320 in words is "thirteen billion, five hundred thirty-one million, fifty-three thousand, three hundred twenty".