204044131237 has 2 divisors, whose sum is σ = 204044131238. Its totient is φ = 204044131236.

The previous prime is 204044131211. The next prime is 204044131253. The reversal of 204044131237 is 732131440402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194630086561 + 9414044676 = 441169^2 + 97026^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204044131237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204044131199 and 204044131208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204044131297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102022065618 + 102022065619.

It is an arithmetic number, because the mean of its divisors is an integer number (102022065619).

Almost surely, 2^204044131237 is an apocalyptic number.

It is an amenable number.

204044131237 is a deficient number, since it is larger than the sum of its proper divisors (1).

204044131237 is an equidigital number, since it uses as much as digits as its factorization.

204044131237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 204044131237 its reverse (732131440402), we get a palindrome (936175571639).

The spelling of 204044131237 in words is "two hundred four billion, forty-four million, one hundred thirty-one thousand, two hundred thirty-seven".