42504042313 has 4 divisors (see below), whose sum is σ = 42530894208. Its totient is φ = 42477190420.

The previous prime is 42504042289. The next prime is 42504042341. The reversal of 42504042313 is 31324040524.

It is a happy number.

42504042313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42504042313 - 2⁵ = 42504042281 is a prime.

It is a super-2 number, since 2×42504042313² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42501042313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13423573 + ... + 13426738.

It is an arithmetic number, because the mean of its divisors is an integer number (10632723552).

Almost surely, 2^42504042313 is an apocalyptic number.

It is an amenable number.

42504042313 is a deficient number, since it is larger than the sum of its proper divisors (26851895).

42504042313 is a wasteful number, since it uses less digits than its factorization.

42504042313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26851894.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 42504042313 its reverse (31324040524), we get a palindrome (73828082837).

The spelling of 42504042313 in words is "forty-two billion, five hundred four million, forty-two thousand, three hundred thirteen".