206431102 has 8 divisors (see below), whose sum is σ = 327861216. Its totient is φ = 97144032.

The previous prime is 206431073. The next prime is 206431109. The reversal of 206431102 is 201134602.

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

It is a super-2 number, since 2×206431102² = 85227599745868808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 206431102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206431109) 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, 3035718 + ... + 3035785.

It is an arithmetic number, because the mean of its divisors is an integer number (40982652).

Almost surely, 2^206431102 is an apocalyptic number.

206431102 is a deficient number, since it is larger than the sum of its proper divisors (121430114).

206431102 is a wasteful number, since it uses less digits than its factorization.

206431102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6071522.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 206431102 is about 14367.7103951882. The cubic root of 206431102 is about 591.0057555772.

Adding to 206431102 its reverse (201134602), we get a palindrome (407565704).

The spelling of 206431102 in words is "two hundred six million, four hundred thirty-one thousand, one hundred two".