8106231 has 32 divisors (see below), whose sum is σ = 12976128. Its totient is φ = 4404960.

The previous prime is 8106211. The next prime is 8106251. The reversal of 8106231 is 1326018.

It is an interprime number because it is at equal distance from previous prime (8106211) and next prime (8106251).

It is not a de Polignac number, because 8106231 - 2⁵ = 8106199 is a prime.

It is a super-2 number, since 2×8106231² = 131421962050722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

8106231 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8106198 and 8106207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8106211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42346 + ... + 42536.

It is an arithmetic number, because the mean of its divisors is an integer number (405504).

Almost surely, 2^8106231 is an apocalyptic number.

8106231 is a deficient number, since it is larger than the sum of its proper divisors (4869897).

8106231 is a wasteful number, since it uses less digits than its factorization.

8106231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 8106231 is about 2847.1443588269. The cubic root of 8106231 is about 200.8813685750.

The spelling of 8106231 in words is "eight million, one hundred six thousand, two hundred thirty-one".