204002431 has 8 divisors (see below), whose sum is σ = 216157680. Its totient is φ = 191864448.

The previous prime is 204002399. The next prime is 204002473. The reversal of 204002431 is 134200402.

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

It is not a de Polignac number, because 204002431 - 2⁵ = 204002399 is a prime.

It is a super-2 number, since 2×204002431² = 83233983707819522, which contains 22 as substring.

It is a Duffinian number.

204002431 is a modest number, since divided by 2431 gives 204 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204002831) 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, 26265 + ... + 33133.

It is an arithmetic number, because the mean of its divisors is an integer number (27019710).

Almost surely, 2^204002431 is an apocalyptic number.

204002431 is a deficient number, since it is larger than the sum of its proper divisors (12155249).

204002431 is a wasteful number, since it uses less digits than its factorization.

204002431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8633.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 204002431 is about 14282.9419588543. The cubic root of 204002431 is about 588.6788700330.

Adding to 204002431 its reverse (134200402), we get a palindrome (338202833).

The spelling of 204002431 in words is "two hundred four million, two thousand, four hundred thirty-one".