13531344500 has 24 divisors (see below), whose sum is σ = 29552457480. Its totient is φ = 5412537600.

The previous prime is 13531344467. The next prime is 13531344527. The reversal of 13531344500 is 544313531.

It can be written as a sum of positive squares in 4 ways, for example, as 9375844 + 13521968656 = 3062^2 + 116284^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13530845 + ... + 13531844.

It is an arithmetic number, because the mean of its divisors is an integer number (1231352395).

Almost surely, 2^13531344500 is an apocalyptic number.

13531344500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13531344500 is an abundant number, since it is smaller than the sum of its proper divisors (16021112980).

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

13531344500 is a wasteful number, since it uses less digits than its factorization.

13531344500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27062708 (or 27062696 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 13531344500 in words is "thirteen billion, five hundred thirty-one million, three hundred forty-four thousand, five hundred".