204502524431 has 2 divisors, whose sum is σ = 204502524432. Its totient is φ = 204502524430.

The previous prime is 204502524407. The next prime is 204502524439. The reversal of 204502524431 is 134425205402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204502524431 - 2⁶ = 204502524367 is a prime.

It is a super-2 number, since 2×204502524431² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204502524439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102251262215 + 102251262216.

It is an arithmetic number, because the mean of its divisors is an integer number (102251262216).

Almost surely, 2^204502524431 is an apocalyptic number.

204502524431 is a deficient number, since it is larger than the sum of its proper divisors (1).

204502524431 is an equidigital number, since it uses as much as digits as its factorization.

204502524431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 204502524431 its reverse (134425205402), we get a palindrome (338927729833).

The spelling of 204502524431 in words is "two hundred four billion, five hundred two million, five hundred twenty-four thousand, four hundred thirty-one".