1323031310113 has 2 divisors, whose sum is σ = 1323031310114. Its totient is φ = 1323031310112.

The previous prime is 1323031310099. The next prime is 1323031310119. The reversal of 1323031310113 is 3110131303231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 950794657569 + 372236652544 = 975087^2 + 610112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323031310113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323031310119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661515655056 + 661515655057.

It is an arithmetic number, because the mean of its divisors is an integer number (661515655057).

Almost surely, 2^{1323031310113} is an apocalyptic number.

It is an amenable number.

1323031310113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323031310113 is an equidigital number, since it uses as much as digits as its factorization.

1323031310113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1323031310113 its reverse (3110131303231), we get a palindrome (4433162613344).

The spelling of 1323031310113 in words is "one trillion, three hundred twenty-three billion, thirty-one million, three hundred ten thousand, one hundred thirteen".