205304231147 has 2 divisors, whose sum is σ = 205304231148. Its totient is φ = 205304231146.

The previous prime is 205304231117. The next prime is 205304231161. The reversal of 205304231147 is 741132403502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205304231147 - 2¹⁴ = 205304214763 is a prime.

It is not a weakly prime, because it can be changed into another prime (205304231117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102652115573 + 102652115574.

It is an arithmetic number, because the mean of its divisors is an integer number (102652115574).

Almost surely, 2^205304231147 is an apocalyptic number.

205304231147 is a deficient number, since it is larger than the sum of its proper divisors (1).

205304231147 is an equidigital number, since it uses as much as digits as its factorization.

205304231147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 205304231147 its reverse (741132403502), we get a palindrome (946436634649).

The spelling of 205304231147 in words is "two hundred five billion, three hundred four million, two hundred thirty-one thousand, one hundred forty-seven".