50031223111 has 4 divisors (see below), whose sum is σ = 52664445400. Its totient is φ = 47398000824.

The previous prime is 50031223079. The next prime is 50031223141. The reversal of 50031223111 is 11132213005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50031223111 - 2⁵ = 50031223079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 2633222269 = 50031223111 / (5 + 0 + 0 + 3 + 1 + 2 + 2 + 3 + 1 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50031223141) 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, 1316611116 + ... + 1316611153.

It is an arithmetic number, because the mean of its divisors is an integer number (13166111350).

Almost surely, 2^50031223111 is an apocalyptic number.

50031223111 is a deficient number, since it is larger than the sum of its proper divisors (2633222289).

50031223111 is a wasteful number, since it uses less digits than its factorization.

50031223111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633222288.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 50031223111 its reverse (11132213005), we get a palindrome (61163436116).

The spelling of 50031223111 in words is "fifty billion, thirty-one million, two hundred twenty-three thousand, one hundred eleven".