8131411 has 4 divisors (see below), whose sum is σ = 8559400. Its totient is φ = 7703424.

The previous prime is 8131399. The next prime is 8131421. The reversal of 8131411 is 1141318.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1141318 = 2 ⋅570659.

It is a cyclic number.

It is not a de Polignac number, because 8131411 - 2¹⁷ = 8000339 is a prime.

It is a super-2 number, since 2×8131411² = 132239689701842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 427969 = 8131411 / (8 + 1 + 3 + 1 + 4 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8131421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213966 + ... + 214003.

It is an arithmetic number, because the mean of its divisors is an integer number (2139850).

Almost surely, 2^8131411 is an apocalyptic number.

8131411 is a deficient number, since it is larger than the sum of its proper divisors (427989).

8131411 is a wasteful number, since it uses less digits than its factorization.

8131411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427988.

The product of its digits is 96, while the sum is 19.

The square root of 8131411 is about 2851.5629047945. The cubic root of 8131411 is about 201.0891496650.

Adding to 8131411 its reverse (1141318), we get a palindrome (9272729).

The spelling of 8131411 in words is "eight million, one hundred thirty-one thousand, four hundred eleven".