50321131 has 4 divisors (see below), whose sum is σ = 57509872. Its totient is φ = 43132392.

The previous prime is 50321123. The next prime is 50321149. The reversal of 50321131 is 13112305.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13112305 = 5 ⋅2622461.

It is a cyclic number.

It is not a de Polignac number, because 50321131 - 2³ = 50321123 is a prime.

It is a super-2 number, since 2×50321131² = 5064432450238322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50321111) 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, 3594360 + ... + 3594373.

It is an arithmetic number, because the mean of its divisors is an integer number (14377468).

Almost surely, 2^50321131 is an apocalyptic number.

50321131 is a deficient number, since it is larger than the sum of its proper divisors (7188741).

50321131 is an equidigital number, since it uses as much as digits as its factorization.

50321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7188740.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 50321131 is about 7093.7388590221. The cubic root of 50321131 is about 369.1901718263.

Adding to 50321131 its reverse (13112305), we get a palindrome (63433436).

The spelling of 50321131 in words is "fifty million, three hundred twenty-one thousand, one hundred thirty-one".