206285131 has 8 divisors (see below), whose sum is σ = 222536160. Its totient is φ = 190088832.

The previous prime is 206285111. The next prime is 206285141. The reversal of 206285131 is 131582602.

206285131 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 a cyclic number.

It is not a de Polignac number, because 206285131 - 2⁹ = 206284619 is a prime.

It is a super-2 number, since 2×206285131² = 85107110543374322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206285131.

It is not an unprimeable number, because it can be changed into a prime (206285111) 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, 5671 + ... + 21088.

It is an arithmetic number, because the mean of its divisors is an integer number (27817020).

Almost surely, 2^206285131 is an apocalyptic number.

206285131 is a deficient number, since it is larger than the sum of its proper divisors (16251029).

206285131 is a wasteful number, since it uses less digits than its factorization.

206285131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27365.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 206285131 is about 14362.6296686923. The cubic root of 206285131 is about 590.8664192683.

The spelling of 206285131 in words is "two hundred six million, two hundred eighty-five thousand, one hundred thirty-one".