1325312332403 has 2 divisors, whose sum is σ = 1325312332404. Its totient is φ = 1325312332402.

The previous prime is 1325312332397. The next prime is 1325312332417. The reversal of 1325312332403 is 3042332135231.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3042332135231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1325312332403 - 2⁴ = 1325312332387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1325312332403.

It is not a weakly prime, because it can be changed into another prime (1325312331403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662656166201 + 662656166202.

It is an arithmetic number, because the mean of its divisors is an integer number (662656166202).

Almost surely, 2^{1325312332403} is an apocalyptic number.

1325312332403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325312332403 is an equidigital number, since it uses as much as digits as its factorization.

1325312332403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 1325312332403 its reverse (3042332135231), we get a palindrome (4367644467634).

The spelling of 1325312332403 in words is "one trillion, three hundred twenty-five billion, three hundred twelve million, three hundred thirty-two thousand, four hundred three".