204350031 has 12 divisors (see below), whose sum is σ = 301453152. Its totient is φ = 133334496.

The previous prime is 204349993. The next prime is 204350063. The reversal of 204350031 is 130053402.

It is not a de Polignac number, because 204350031 - 2¹⁰ = 204349007 is a prime.

It is a super-2 number, since 2×204350031² = 83517870339401922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204349986 and 204350013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204350231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241126 + ... + 241971.

It is an arithmetic number, because the mean of its divisors is an integer number (25121096).

Almost surely, 2^204350031 is an apocalyptic number.

204350031 is a deficient number, since it is larger than the sum of its proper divisors (97103121).

204350031 is a wasteful number, since it uses less digits than its factorization.

204350031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483150 (or 483147 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 204350031 is about 14295.1051412713. The cubic root of 204350031 is about 589.0130305362.

The spelling of 204350031 in words is "two hundred four million, three hundred fifty thousand, thirty-one".