221001320000313 has 24 divisors (see below), whose sum is σ = 325248453511488. Its totient is φ = 144553776805152.

The previous prime is 221001320000303. The next prime is 221001320000317. The reversal of 221001320000313 is 313000023100122.

221001320000313 is a `hidden beast` number, since 22 + 10 + 0 + 1 + 320 + 0 + 0 + 0 + 313 = 666.

It is not a de Polignac number, because 221001320000313 - 2⁶ = 221001320000249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221001320000317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154526406 + ... + 155950032.

It is an arithmetic number, because the mean of its divisors is an integer number (13552018896312).

Almost surely, 2^{221001320000313} is an apocalyptic number.

It is an amenable number.

221001320000313 is a deficient number, since it is larger than the sum of its proper divisors (104247133511175).

221001320000313 is a wasteful number, since it uses less digits than its factorization.

221001320000313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749133 (or 1749130 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 221001320000313 its reverse (313000023100122), we get a palindrome (534001343100435).

The spelling of 221001320000313 in words is "two hundred twenty-one trillion, one billion, three hundred twenty million, three hundred thirteen", and thus it is an aban number.