202344042013 has 4 divisors (see below), whose sum is σ = 202360474368. Its totient is φ = 202327609660.

The previous prime is 202344041987. The next prime is 202344042029. The reversal of 202344042013 is 310240443202.

It is a happy number.

202344042013 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 202344042013 - 2³⁷ = 64905088541 is a prime.

It is a super-2 number, since 2×202344042013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202344052013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8197693 + ... + 8222338.

It is an arithmetic number, because the mean of its divisors is an integer number (50590118592).

Almost surely, 2^202344042013 is an apocalyptic number.

It is an amenable number.

202344042013 is a deficient number, since it is larger than the sum of its proper divisors (16432355).

202344042013 is a wasteful number, since it uses less digits than its factorization.

202344042013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16432354.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 202344042013 its reverse (310240443202), we get a palindrome (512584485215).

The spelling of 202344042013 in words is "two hundred two billion, three hundred forty-four million, forty-two thousand, thirteen".