13500431315 has 8 divisors (see below), whose sum is σ = 18514877280. Its totient is φ = 9257438592.

The previous prime is 13500431261. The next prime is 13500431341. The reversal of 13500431315 is 51313400531.

13500431315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13500431315 - 2²⁸ = 13231995859 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 192863270 + ... + 192863339.

It is an arithmetic number, because the mean of its divisors is an integer number (2314359660).

Almost surely, 2^13500431315 is an apocalyptic number.

13500431315 is a deficient number, since it is larger than the sum of its proper divisors (5014445965).

13500431315 is an equidigital number, since it uses as much as digits as its factorization.

13500431315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385726621.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 13500431315 its reverse (51313400531), we get a palindrome (64813831846).

The spelling of 13500431315 in words is "thirteen billion, five hundred million, four hundred thirty-one thousand, three hundred fifteen".