871919424031 has 2 divisors, whose sum is σ = 871919424032. Its totient is φ = 871919424030.

The previous prime is 871919423987. The next prime is 871919424059. The reversal of 871919424031 is 130424919178.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 871919424031 - 2¹⁹ = 871918899743 is a prime.

It is a super-2 number, since 2×871919424031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (871919424091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435959712015 + 435959712016.

It is an arithmetic number, because the mean of its divisors is an integer number (435959712016).

Almost surely, 2^871919424031 is an apocalyptic number.

871919424031 is a deficient number, since it is larger than the sum of its proper divisors (1).

871919424031 is an equidigital number, since it uses as much as digits as its factorization.

871919424031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 871919424031 in words is "eight hundred seventy-one billion, nine hundred nineteen million, four hundred twenty-four thousand, thirty-one".