50217712031 has 2 divisors, whose sum is σ = 50217712032. Its totient is φ = 50217712030.

The previous prime is 50217712001. The next prime is 50217712033. The reversal of 50217712031 is 13021771205.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50217712031 - 2⁶ = 50217711967 is a prime.

It is a super-2 number, since 2×50217712031² (a number of 22 digits) contains 22 as substring.

Together with 50217712033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 50217711985 and 50217712003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50217712033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25108856015 + 25108856016.

It is an arithmetic number, because the mean of its divisors is an integer number (25108856016).

Almost surely, 2^50217712031 is an apocalyptic number.

50217712031 is a deficient number, since it is larger than the sum of its proper divisors (1).

50217712031 is an equidigital number, since it uses as much as digits as its factorization.

50217712031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 29.

The spelling of 50217712031 in words is "fifty billion, two hundred seventeen million, seven hundred twelve thousand, thirty-one".