303144342161 has 2 divisors, whose sum is σ = 303144342162. Its totient is φ = 303144342160.

The previous prime is 303144342131. The next prime is 303144342199. The reversal of 303144342161 is 161243441303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303111909136 + 32433025 = 550556^2 + 5695^2 .

It is a cyclic number.

It is not a de Polignac number, because 303144342161 - 2²⁶ = 303077233297 is a prime.

It is not a weakly prime, because it can be changed into another prime (303144342121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151572171080 + 151572171081.

It is an arithmetic number, because the mean of its divisors is an integer number (151572171081).

Almost surely, 2^303144342161 is an apocalyptic number.

It is an amenable number.

303144342161 is a deficient number, since it is larger than the sum of its proper divisors (1).

303144342161 is an equidigital number, since it uses as much as digits as its factorization.

303144342161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 303144342161 its reverse (161243441303), we get a palindrome (464387783464).

The spelling of 303144342161 in words is "three hundred three billion, one hundred forty-four million, three hundred forty-two thousand, one hundred sixty-one".