204031403113 has 2 divisors, whose sum is σ = 204031403114. Its totient is φ = 204031403112.

The previous prime is 204031403083. The next prime is 204031403117. The reversal of 204031403113 is 311304130402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168733635984 + 35297767129 = 410772^2 + 187877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204031403113 is a prime.

It is not a weakly prime, because it can be changed into another prime (204031403117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102015701556 + 102015701557.

It is an arithmetic number, because the mean of its divisors is an integer number (102015701557).

Almost surely, 2^204031403113 is an apocalyptic number.

It is an amenable number.

204031403113 is a deficient number, since it is larger than the sum of its proper divisors (1).

204031403113 is an equidigital number, since it uses as much as digits as its factorization.

204031403113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 204031403113 its reverse (311304130402), we get a palindrome (515335533515).

The spelling of 204031403113 in words is "two hundred four billion, thirty-one million, four hundred three thousand, one hundred thirteen".