1313103032221 has 8 divisors (see below), whose sum is σ = 1334886213888. Its totient is φ = 1291492050000.

The previous prime is 1313103032203. The next prime is 1313103032251. The reversal of 1313103032221 is 1222303013131.

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

It is not a de Polignac number, because 1313103032221 - 2¹⁹ = 1313102507933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313103032192 and 1313103032201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313103032251) 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, 43034485 + ... + 43064986.

It is an arithmetic number, because the mean of its divisors is an integer number (166860776736).

Almost surely, 2^{1313103032221} is an apocalyptic number.

It is an amenable number.

1313103032221 is a deficient number, since it is larger than the sum of its proper divisors (21783181667).

1313103032221 is a wasteful number, since it uses less digits than its factorization.

1313103032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86099723.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1313103032221 its reverse (1222303013131), we get a palindrome (2535406045352).

The spelling of 1313103032221 in words is "one trillion, three hundred thirteen billion, one hundred three million, thirty-two thousand, two hundred twenty-one".