1304243223061 has 2 divisors, whose sum is σ = 1304243223062. Its totient is φ = 1304243223060.

The previous prime is 1304243223029. The next prime is 1304243223067. The reversal of 1304243223061 is 1603223424031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 981102136036 + 323141087025 = 990506^2 + 568455^2 .

It is an emirp because it is prime and its reverse (1603223424031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1304243223061 - 2⁵ = 1304243223029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304243223067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652121611530 + 652121611531.

It is an arithmetic number, because the mean of its divisors is an integer number (652121611531).

Almost surely, 2^{1304243223061} is an apocalyptic number.

It is an amenable number.

1304243223061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304243223061 is an equidigital number, since it uses as much as digits as its factorization.

1304243223061 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 31.

Adding to 1304243223061 its reverse (1603223424031), we get a palindrome (2907466647092).

The spelling of 1304243223061 in words is "one trillion, three hundred four billion, two hundred forty-three million, two hundred twenty-three thousand, sixty-one".