50313243313 has 4 divisors (see below), whose sum is σ = 50315381028. Its totient is φ = 50311105600.

The previous prime is 50313243301. The next prime is 50313243347. The reversal of 50313243313 is 31334231305.

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 45974649889 + 4338593424 = 214417^2 + 65868^2 .

It is a cyclic number.

It is not a de Polignac number, because 50313243313 - 2¹³ = 50313235121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50313843313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033156 + ... + 1080757.

It is an arithmetic number, because the mean of its divisors is an integer number (12578845257).

Almost surely, 2^50313243313 is an apocalyptic number.

It is an amenable number.

50313243313 is a deficient number, since it is larger than the sum of its proper divisors (2137715).

50313243313 is a wasteful number, since it uses less digits than its factorization.

50313243313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137714.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 50313243313 its reverse (31334231305), we get a palindrome (81647474618).

The spelling of 50313243313 in words is "fifty billion, three hundred thirteen million, two hundred forty-three thousand, three hundred thirteen".