8671131 has 40 divisors (see below), whose sum is σ = 15205344. Its totient is φ = 4821120.

The previous prime is 8671127. The next prime is 8671133. The reversal of 8671131 is 1311768.

8671131 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8671131 - 2² = 8671127 is a prime.

It is a super-3 number, since 3×8671131³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 8671095 and 8671104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8671133) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23061 + ... + 23433.

Almost surely, 2^8671131 is an apocalyptic number.

8671131 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

8671131 is a deficient number, since it is larger than the sum of its proper divisors (6534213).

8671131 is a wasteful number, since it uses less digits than its factorization.

8671131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 424 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 8671131 is about 2944.6784204731. The cubic root of 8671131 is about 205.4432684785.

Adding to 8671131 its reverse (1311768), we get a palindrome (9982899).

It can be divided in two parts, 86 and 71131, that added together give a palindrome (71217).

The spelling of 8671131 in words is "eight million, six hundred seventy-one thousand, one hundred thirty-one".