13131597597 has 16 divisors (see below), whose sum is σ = 17622528000. Its totient is φ = 8697702384.

The previous prime is 13131597581. The next prime is 13131597641. The reversal of 13131597597 is 79579513131.

It is a happy number.

13131597597 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 13131597597 - 2⁴ = 13131597581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131597797) 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 15 ways as a sum of consecutive naturals, for example, 293904 + ... + 335622.

It is an arithmetic number, because the mean of its divisors is an integer number (1101408000).

Almost surely, 2^13131597597 is an apocalyptic number.

It is an amenable number.

13131597597 is a deficient number, since it is larger than the sum of its proper divisors (4490930403).

13131597597 is a wasteful number, since it uses less digits than its factorization.

13131597597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42400.

The product of its digits is 893025, while the sum is 51.

The spelling of 13131597597 in words is "thirteen billion, one hundred thirty-one million, five hundred ninety-seven thousand, five hundred ninety-seven".