1313201333221 has 8 divisors (see below), whose sum is σ = 1334732008064. Its totient is φ = 1291839526800.

The previous prime is 1313201333219. The next prime is 1313201333231. The reversal of 1313201333221 is 1223331023131.

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 1313201333221 - 2¹ = 1313201333219 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 (1313201333201) 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 7 ways as a sum of consecutive naturals, for example, 42201426 + ... + 42232531.

It is an arithmetic number, because the mean of its divisors is an integer number (166841501008).

Almost surely, 2^{1313201333221} is an apocalyptic number.

It is an amenable number.

1313201333221 is a deficient number, since it is larger than the sum of its proper divisors (21530674843).

1313201333221 is a wasteful number, since it uses less digits than its factorization.

1313201333221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84434211.

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

Adding to 1313201333221 its reverse (1223331023131), we get a palindrome (2536532356352).

The spelling of 1313201333221 in words is "one trillion, three hundred thirteen billion, two hundred one million, three hundred thirty-three thousand, two hundred twenty-one".