1313202213313 has 4 divisors (see below), whose sum is σ = 1313413923888. Its totient is φ = 1312990502740.

The previous prime is 1313202213209. The next prime is 1313202213329. The reversal of 1313202213313 is 3133122023131.

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 1313202213313 - 2⁹ = 1313202212801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313202213343) 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, 105845983 + ... + 105858388.

It is an arithmetic number, because the mean of its divisors is an integer number (328353480972).

Almost surely, 2^{1313202213313} is an apocalyptic number.

It is an amenable number.

1313202213313 is a deficient number, since it is larger than the sum of its proper divisors (211710575).

1313202213313 is an equidigital number, since it uses as much as digits as its factorization.

1313202213313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211710574.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1313202213313 its reverse (3133122023131), we get a palindrome (4446324236444).

The spelling of 1313202213313 in words is "one trillion, three hundred thirteen billion, two hundred two million, two hundred thirteen thousand, three hundred thirteen".