221031303320113 has 8 divisors (see below), whose sum is σ = 259673139565056. Its totient is φ = 185480813974800.

The previous prime is 221031303320101. The next prime is 221031303320123. The reversal of 221031303320113 is 311023303130122.

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 221031303320113 - 2⁵ = 221031303320081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221031303320123) 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, 772836724753 + ... + 772836725038.

It is an arithmetic number, because the mean of its divisors is an integer number (32459142445632).

Almost surely, 2^{221031303320113} is an apocalyptic number.

It is an amenable number.

221031303320113 is a deficient number, since it is larger than the sum of its proper divisors (38641836244943).

221031303320113 is a wasteful number, since it uses less digits than its factorization.

221031303320113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545673449815.

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

Adding to 221031303320113 its reverse (311023303130122), we get a palindrome (532054606450235).

The spelling of 221031303320113 in words is "two hundred twenty-one trillion, thirty-one billion, three hundred three million, three hundred twenty thousand, one hundred thirteen".