871788319131 has 8 divisors (see below), whose sum is σ = 1193800220944. Its totient is φ = 565484315040.

The previous prime is 871788319123. The next prime is 871788319153. The reversal of 871788319131 is 131913887178.

871788319131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 871788319131 - 2³ = 871788319123 is a prime.

It is a super-2 number, since 2×871788319131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871788319631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3926974300 + ... + 3926974521.

It is an arithmetic number, because the mean of its divisors is an integer number (149225027618).

Almost surely, 2^871788319131 is an apocalyptic number.

871788319131 is a deficient number, since it is larger than the sum of its proper divisors (322011901813).

871788319131 is a wasteful number, since it uses less digits than its factorization.

871788319131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7853948861.

The product of its digits is 2032128, while the sum is 57.

The spelling of 871788319131 in words is "eight hundred seventy-one billion, seven hundred eighty-eight million, three hundred nineteen thousand, one hundred thirty-one".