42040103302321 has 4 divisors (see below), whose sum is σ = 43396235666944. Its totient is φ = 40683970937700.

The previous prime is 42040103302313. The next prime is 42040103302333. The reversal of 42040103302321 is 12320330104024.

42040103302321 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 42040103302321 - 2³ = 42040103302313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42040103302391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678066182265 + ... + 678066182326.

It is an arithmetic number, because the mean of its divisors is an integer number (10849058916736).

Almost surely, 2^{42040103302321} is an apocalyptic number.

It is an amenable number.

42040103302321 is a deficient number, since it is larger than the sum of its proper divisors (1356132364623).

42040103302321 is a wasteful number, since it uses less digits than its factorization.

42040103302321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356132364622.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 42040103302321 its reverse (12320330104024), we get a palindrome (54360433406345).

The spelling of 42040103302321 in words is "forty-two trillion, forty billion, one hundred three million, three hundred two thousand, three hundred twenty-one".