1325220241013 has 4 divisors (see below), whose sum is σ = 1325222567040. Its totient is φ = 1325217914988.

The previous prime is 1325220240997. The next prime is 1325220241019. The reversal of 1325220241013 is 3101420225231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1325220241013 - 2⁴ = 1325220240997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325220241019) 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 in 3 ways as a sum of consecutive naturals, for example, 333308 + ... + 1661786.

It is an arithmetic number, because the mean of its divisors is an integer number (331305641760).

Almost surely, 2^{1325220241013} is an apocalyptic number.

It is an amenable number.

1325220241013 is a deficient number, since it is larger than the sum of its proper divisors (2326027).

1325220241013 is an equidigital number, since it uses as much as digits as its factorization.

1325220241013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326026.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1325220241013 its reverse (3101420225231), we get a palindrome (4426640466244).

The spelling of 1325220241013 in words is "one trillion, three hundred twenty-five billion, two hundred twenty million, two hundred forty-one thousand, thirteen".