42104224231 has 4 divisors (see below), whose sum is σ = 42111657000. Its totient is φ = 42096791464.

The previous prime is 42104224213. The next prime is 42104224247. The reversal of 42104224231 is 13242240124.

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 42104224231 - 2⁹ = 42104223719 is a prime.

It is a super-2 number, since 2×42104224231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42104224196 and 42104224205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42104224531) 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, 3707881 + ... + 3719218.

It is an arithmetic number, because the mean of its divisors is an integer number (10527914250).

Almost surely, 2^42104224231 is an apocalyptic number.

42104224231 is a deficient number, since it is larger than the sum of its proper divisors (7432769).

42104224231 is an equidigital number, since it uses as much as digits as its factorization.

42104224231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7432768.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42104224231 its reverse (13242240124), we get a palindrome (55346464355).

The spelling of 42104224231 in words is "forty-two billion, one hundred four million, two hundred twenty-four thousand, two hundred thirty-one".