243400314013 has 4 divisors (see below), whose sum is σ = 243778853248. Its totient is φ = 243021774780.

The previous prime is 243400313983. The next prime is 243400314029. The reversal of 243400314013 is 310413004342.

243400314013 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 243400314013 - 2¹³ = 243400305821 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 (243400314043) 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, 189268653 + ... + 189269938.

It is an arithmetic number, because the mean of its divisors is an integer number (60944713312).

Almost surely, 2^243400314013 is an apocalyptic number.

It is an amenable number.

243400314013 is a deficient number, since it is larger than the sum of its proper divisors (378539235).

243400314013 is an equidigital number, since it uses as much as digits as its factorization.

243400314013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378539234.

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

Adding to 243400314013 its reverse (310413004342), we get a palindrome (553813318355).

The spelling of 243400314013 in words is "two hundred forty-three billion, four hundred million, three hundred fourteen thousand, thirteen".