206410431 has 8 divisors (see below), whose sum is σ = 284091904. Its totient is φ = 133167960.

The previous prime is 206410427. The next prime is 206410513. The reversal of 206410431 is 134014602.

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

It is not a de Polignac number, because 206410431 - 2² = 206410427 is a prime.

It is a super-2 number, since 2×206410431² = 85210532051211522, 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 = 206410398 and 206410407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206410411) 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, 1109641 + ... + 1109826.

It is an arithmetic number, because the mean of its divisors is an integer number (35511488).

Almost surely, 2^206410431 is an apocalyptic number.

206410431 is a deficient number, since it is larger than the sum of its proper divisors (77681473).

206410431 is a wasteful number, since it uses less digits than its factorization.

206410431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219501.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 206410431 is about 14366.9910210872. The cubic root of 206410431 is about 590.9860281110.

The spelling of 206410431 in words is "two hundred six million, four hundred ten thousand, four hundred thirty-one".