42344210101 has 4 divisors (see below), whose sum is σ = 42345924012. Its totient is φ = 42342496192.

The previous prime is 42344210039. The next prime is 42344210123. The reversal of 42344210101 is 10101244324.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21318920100 + 21025290001 = 146010^2 + 145001^2 .

It is a cyclic number.

It is not a de Polignac number, because 42344210101 - 2²⁵ = 42310655669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42344210171) 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, 819346 + ... + 869491.

It is an arithmetic number, because the mean of its divisors is an integer number (10586481003).

Almost surely, 2^42344210101 is an apocalyptic number.

It is an amenable number.

42344210101 is a deficient number, since it is larger than the sum of its proper divisors (1713911).

42344210101 is a wasteful number, since it uses less digits than its factorization.

42344210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713910.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 42344210101 its reverse (10101244324), we get a palindrome (52445454425).

The spelling of 42344210101 in words is "forty-two billion, three hundred forty-four million, two hundred ten thousand, one hundred one".