204304043031 has 32 divisors (see below), whose sum is σ = 308637818880. Its totient is φ = 119091189600.

The previous prime is 204304042993. The next prime is 204304043101. The reversal of 204304043031 is 130340403402.

204304043031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204304043031 - 2⁷ = 204304042903 is a prime.

It is a super-2 number, since 2×204304043031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204304042992 and 204304043010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204304042031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445861 + ... + 779358.

It is an arithmetic number, because the mean of its divisors is an integer number (9644931840).

Almost surely, 2^204304043031 is an apocalyptic number.

204304043031 is a deficient number, since it is larger than the sum of its proper divisors (104333775849).

204304043031 is a wasteful number, since it uses less digits than its factorization.

204304043031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225427.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 204304043031 its reverse (130340403402), we get a palindrome (334644446433).

The spelling of 204304043031 in words is "two hundred four billion, three hundred four million, forty-three thousand, thirty-one".