206982231 has 8 divisors (see below), whose sum is σ = 276105840. Its totient is φ = 137923392.

The previous prime is 206982199. The next prime is 206982239. The reversal of 206982231 is 132289602.

It is a happy number.

206982231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 206982231 - 2⁵ = 206982199 is a prime.

It is a super-2 number, since 2×206982231² = 85683287899474722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206982192 and 206982201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206982239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8166 + ... + 21923.

It is an arithmetic number, because the mean of its divisors is an integer number (34513230).

Almost surely, 2^206982231 is an apocalyptic number.

206982231 is a deficient number, since it is larger than the sum of its proper divisors (69123609).

206982231 is a wasteful number, since it uses less digits than its factorization.

206982231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32385.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 206982231 is about 14386.8770412484. The cubic root of 206982231 is about 591.5312432064.

The spelling of 206982231 in words is "two hundred six million, nine hundred eighty-two thousand, two hundred thirty-one".