1323013330361 has 2 divisors, whose sum is σ = 1323013330362. Its totient is φ = 1323013330360.

The previous prime is 1323013330349. The next prime is 1323013330417. The reversal of 1323013330361 is 1630333103231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1203145734400 + 119867595961 = 1096880^2 + 346219^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323013330361 - 2³⁸ = 1048135423417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323013330861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661506665180 + 661506665181.

It is an arithmetic number, because the mean of its divisors is an integer number (661506665181).

Almost surely, 2^{1323013330361} is an apocalyptic number.

It is an amenable number.

1323013330361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323013330361 is an equidigital number, since it uses as much as digits as its factorization.

1323013330361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 1323013330361 its reverse (1630333103231), we get a palindrome (2953346433592).

The spelling of 1323013330361 in words is "one trillion, three hundred twenty-three billion, thirteen million, three hundred thirty thousand, three hundred sixty-one".