204302431 has 8 divisors (see below), whose sum is σ = 211580928. Its totient is φ = 197067000.

The previous prime is 204302389. The next prime is 204302471. The reversal of 204302431 is 134203402.

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

It is not a de Polignac number, because 204302431 - 2⁹ = 204301919 is a prime.

It is a super-2 number, since 2×204302431² = 83478966625019522, 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 = 204302399 and 204302408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204302471) 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, 955 + ... + 20236.

It is an arithmetic number, because the mean of its divisors is an integer number (26447616).

Almost surely, 2^204302431 is an apocalyptic number.

204302431 is a deficient number, since it is larger than the sum of its proper divisors (7278497).

204302431 is a wasteful number, since it uses less digits than its factorization.

204302431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21533.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 204302431 is about 14293.4401387490. The cubic root of 204302431 is about 588.9672933317.

Adding to 204302431 its reverse (134203402), we get a palindrome (338505833).

The spelling of 204302431 in words is "two hundred four million, three hundred two thousand, four hundred thirty-one".