50205421131 has 8 divisors (see below), whose sum is σ = 69851020800. Its totient is φ = 32015051112.

The previous prime is 50205421073. The next prime is 50205421181. The reversal of 50205421131 is 13112450205.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50205421131 - 2⁶ = 50205421067 is a prime.

It is a super-2 number, since 2×50205421131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50205421181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363807331 + ... + 363807468.

It is an arithmetic number, because the mean of its divisors is an integer number (8731377600).

Almost surely, 2^50205421131 is an apocalyptic number.

50205421131 is a deficient number, since it is larger than the sum of its proper divisors (19645599669).

50205421131 is a wasteful number, since it uses less digits than its factorization.

50205421131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727614825.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 50205421131 its reverse (13112450205), we get a palindrome (63317871336).

The spelling of 50205421131 in words is "fifty billion, two hundred five million, four hundred twenty-one thousand, one hundred thirty-one".