13325131305 has 24 divisors (see below), whose sum is σ = 24101108928. Its totient is φ = 6797747616.

The previous prime is 13325131277. The next prime is 13325131331. The reversal of 13325131305 is 50313152331.

13325131305 is a `hidden beast` number, since 1 + 3 + 325 + 1 + 31 + 305 = 666.

It is not a de Polignac number, because 13325131305 - 2⁵ = 13325131273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6436227 + ... + 6438296.

It is an arithmetic number, because the mean of its divisors is an integer number (1004212872).

Almost surely, 2^13325131305 is an apocalyptic number.

13325131305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13325131305 is a deficient number, since it is larger than the sum of its proper divisors (10775977623).

13325131305 is a wasteful number, since it uses less digits than its factorization.

13325131305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12874557 (or 12874554 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

Adding to 13325131305 its reverse (50313152331), we get a palindrome (63638283636).

The spelling of 13325131305 in words is "thirteen billion, three hundred twenty-five million, one hundred thirty-one thousand, three hundred five".