50021182031 has 2 divisors, whose sum is σ = 50021182032. Its totient is φ = 50021182030.

The previous prime is 50021182009. The next prime is 50021182087. The reversal of 50021182031 is 13028112005.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50021182031 - 2³⁰ = 48947440207 is a prime.

It is a super-2 number, since 2×50021182031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50021181988 and 50021182006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50021188031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25010591015 + 25010591016.

It is an arithmetic number, because the mean of its divisors is an integer number (25010591016).

Almost surely, 2^50021182031 is an apocalyptic number.

50021182031 is a deficient number, since it is larger than the sum of its proper divisors (1).

50021182031 is an equidigital number, since it uses as much as digits as its factorization.

50021182031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 50021182031 its reverse (13028112005), we get a palindrome (63049294036).

The spelling of 50021182031 in words is "fifty billion, twenty-one million, one hundred eighty-two thousand, thirty-one".