13131122305 has 16 divisors (see below), whose sum is σ = 18313626240. Its totient is φ = 8851583232.

The previous prime is 13131122287. The next prime is 13131122317. The reversal of 13131122305 is 50322113131.

It is a cyclic number.

It is not a de Polignac number, because 13131122305 - 2⁷ = 13131122177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3177384 + ... + 3181513.

It is an arithmetic number, because the mean of its divisors is an integer number (1144601640).

Almost surely, 2^13131122305 is an apocalyptic number.

It is an amenable number.

13131122305 is a deficient number, since it is larger than the sum of its proper divisors (5182503935).

13131122305 is an equidigital number, since it uses as much as digits as its factorization.

13131122305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6358968.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 13131122305 its reverse (50322113131), we get a palindrome (63453235436).

The spelling of 13131122305 in words is "thirteen billion, one hundred thirty-one million, one hundred twenty-two thousand, three hundred five".