1345413221013 has 4 divisors (see below), whose sum is σ = 1793884294688. Its totient is φ = 896942147340.

The previous prime is 1345413220997. The next prime is 1345413221041. The reversal of 1345413221013 is 3101223145431.

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 not a de Polignac number, because 1345413221013 - 2⁴ = 1345413220997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345413221513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224235536833 + ... + 224235536838.

It is an arithmetic number, because the mean of its divisors is an integer number (448471073672).

Almost surely, 2^{1345413221013} is an apocalyptic number.

It is an amenable number.

1345413221013 is a deficient number, since it is larger than the sum of its proper divisors (448471073675).

1345413221013 is an equidigital number, since it uses as much as digits as its factorization.

1345413221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448471073674.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 1345413221013 its reverse (3101223145431), we get a palindrome (4446636366444).

The spelling of 1345413221013 in words is "one trillion, three hundred forty-five billion, four hundred thirteen million, two hundred twenty-one thousand, thirteen".