210442103243 has 8 divisors (see below), whose sum is σ = 217556069808. Its totient is φ = 203429044224.

The previous prime is 210442103219. The next prime is 210442103297. The reversal of 210442103243 is 342301244012.

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 210442103243 - 2¹⁴ = 210442086859 is a prime.

It is a super-2 number, since 2×210442103243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210442109243) 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 7 ways as a sum of consecutive naturals, for example, 25222646 + ... + 25230987.

It is an arithmetic number, because the mean of its divisors is an integer number (27194508726).

Almost surely, 2^210442103243 is an apocalyptic number.

210442103243 is a deficient number, since it is larger than the sum of its proper divisors (7113966565).

210442103243 is an equidigital number, since it uses as much as digits as its factorization.

210442103243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50453773.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 210442103243 its reverse (342301244012), we get a palindrome (552743347255).

The spelling of 210442103243 in words is "two hundred ten billion, four hundred forty-two million, one hundred three thousand, two hundred forty-three".