204031430 has 16 divisors (see below), whose sum is σ = 371682864. Its totient is φ = 80628960.

The previous prime is 204031409. The next prime is 204031439. The reversal of 204031430 is 34130402.

It is a junction number, because it is equal to n+sod(n) for n = 204031399 and 204031408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204031439) 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, 122081 + ... + 123740.

It is an arithmetic number, because the mean of its divisors is an integer number (23230179).

Almost surely, 2^204031430 is an apocalyptic number.

204031430 is a deficient number, since it is larger than the sum of its proper divisors (167651434).

204031430 is a wasteful number, since it uses less digits than its factorization.

204031430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245911.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 204031430 is about 14283.9570847857. The cubic root of 204031430 is about 588.7067623309.

Adding to 204031430 its reverse (34130402), we get a palindrome (238161832).

The spelling of 204031430 in words is "two hundred four million, thirty-one thousand, four hundred thirty".