1313323302221 has 8 divisors (see below), whose sum is σ = 1501006378944. Its totient is φ = 1125656591040.

The previous prime is 1313323302217. The next prime is 1313323302223. The reversal of 1313323302221 is 1222033233131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313323302221 - 2² = 1313323302217 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 (1313323302223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3918935 + ... + 4240836.

It is an arithmetic number, because the mean of its divisors is an integer number (187625797368).

Almost surely, 2^{1313323302221} is an apocalyptic number.

It is an amenable number.

1313323302221 is a deficient number, since it is larger than the sum of its proper divisors (187683076723).

1313323302221 is an equidigital number, since it uses as much as digits as its factorization.

1313323302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8182771.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1313323302221 its reverse (1222033233131), we get a palindrome (2535356535352).

The spelling of 1313323302221 in words is "one trillion, three hundred thirteen billion, three hundred twenty-three million, three hundred two thousand, two hundred twenty-one".