6831231 has 16 divisors (see below), whose sum is σ = 10015488. Its totient is φ = 4107200.

The previous prime is 6831221. The next prime is 6831233. The reversal of 6831231 is 1321386.

It is a cyclic number.

It is not a de Polignac number, because 6831231 - 2¹³ = 6823039 is a prime.

It is a super-2 number, since 2×6831231² = 93331433950722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6831233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3766 + ... + 5276.

It is an arithmetic number, because the mean of its divisors is an integer number (625968).

Almost surely, 2^6831231 is an apocalyptic number.

6831231 is a deficient number, since it is larger than the sum of its proper divisors (3184257).

6831231 is a wasteful number, since it uses less digits than its factorization.

6831231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662.

The product of its digits is 864, while the sum is 24.

The square root of 6831231 is about 2613.6623729931. The cubic root of 6831231 is about 189.7432450671.

The spelling of 6831231 in words is "six million, eight hundred thirty-one thousand, two hundred thirty-one".