10206831 has 4 divisors (see below), whose sum is σ = 13609112. Its totient is φ = 6804552.

The previous prime is 10206821. The next prime is 10206839. The reversal of 10206831 is 13860201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13860201 = 3 ⋅4620067.

It is not a de Polignac number, because 10206831 - 2⁵ = 10206799 is a prime.

It is a super-2 number, since 2×10206831² = 208358798125122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10206798 and 10206807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10206839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701136 + ... + 1701141.

It is an arithmetic number, because the mean of its divisors is an integer number (3402278).

Almost surely, 2^10206831 is an apocalyptic number.

10206831 is a deficient number, since it is larger than the sum of its proper divisors (3402281).

10206831 is an equidigital number, since it uses as much as digits as its factorization.

10206831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402280.

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

The square root of 10206831 is about 3194.8131400756. The cubic root of 10206831 is about 216.9186908242.

The spelling of 10206831 in words is "ten million, two hundred six thousand, eight hundred thirty-one".