13040242315 has 4 divisors (see below), whose sum is σ = 15648290784. Its totient is φ = 10432193848.

The previous prime is 13040242301. The next prime is 13040242333. The reversal of 13040242315 is 51324204031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13040242315 - 2²⁷ = 12906024587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13040242315.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304024227 + ... + 1304024236.

It is an arithmetic number, because the mean of its divisors is an integer number (3912072696).

Almost surely, 2^13040242315 is an apocalyptic number.

13040242315 is a deficient number, since it is larger than the sum of its proper divisors (2608048469).

13040242315 is an equidigital number, since it uses as much as digits as its factorization.

13040242315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608048468.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 13040242315 its reverse (51324204031), we get a palindrome (64364446346).

The spelling of 13040242315 in words is "thirteen billion, forty million, two hundred forty-two thousand, three hundred fifteen".