13132731305 has 32 divisors (see below), whose sum is σ = 16370657280. Its totient is φ = 10106965440.

The previous prime is 13132731253. The next prime is 13132731307. The reversal of 13132731305 is 50313723131.

13132731305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13132731305 - 2²² = 13128537001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13132731307) 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, 13524470 + ... + 13525440.

It is an arithmetic number, because the mean of its divisors is an integer number (511583040).

Almost surely, 2^13132731305 is an apocalyptic number.

It is an amenable number.

13132731305 is a deficient number, since it is larger than the sum of its proper divisors (3237925975).

13132731305 is an equidigital number, since it uses as much as digits as its factorization.

13132731305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949.

The product of its (nonzero) digits is 5670, while the sum is 29.

The spelling of 13132731305 in words is "thirteen billion, one hundred thirty-two million, seven hundred thirty-one thousand, three hundred five".