871417434031 has 4 divisors (see below), whose sum is σ = 872277669432. Its totient is φ = 870557198632.

The previous prime is 871417433963. The next prime is 871417434061. The reversal of 871417434031 is 130434714178.

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 871417434031 - 2¹³ = 871417425839 is a prime.

It is a super-2 number, since 2×871417434031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871417434061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430116181 + ... + 430118206.

It is an arithmetic number, because the mean of its divisors is an integer number (218069417358).

Almost surely, 2^871417434031 is an apocalyptic number.

871417434031 is a deficient number, since it is larger than the sum of its proper divisors (860235401).

871417434031 is a wasteful number, since it uses less digits than its factorization.

871417434031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860235400.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 871417434031 in words is "eight hundred seventy-one billion, four hundred seventeen million, four hundred thirty-four thousand, thirty-one".