1304323053161 has 2 divisors, whose sum is σ = 1304323053162. Its totient is φ = 1304323053160.

The previous prime is 1304323053157. The next prime is 1304323053349. The reversal of 1304323053161 is 1613503234031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1108135182400 + 196187870761 = 1052680^2 + 442931^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304323053161 - 2² = 1304323053157 is a prime.

It is not a weakly prime, because it can be changed into another prime (1304323053101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652161526580 + 652161526581.

It is an arithmetic number, because the mean of its divisors is an integer number (652161526581).

Almost surely, 2^{1304323053161} is an apocalyptic number.

It is an amenable number.

1304323053161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304323053161 is an equidigital number, since it uses as much as digits as its factorization.

1304323053161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 1304323053161 its reverse (1613503234031), we get a palindrome (2917826287192).

The spelling of 1304323053161 in words is "one trillion, three hundred four billion, three hundred twenty-three million, fifty-three thousand, one hundred sixty-one".