221011223431313 has 8 divisors (see below), whose sum is σ = 252586776625728. Its totient is φ = 189436300555824.

The previous prime is 221011223431291. The next prime is 221011223431321. The reversal of 221011223431313 is 313134322110122.

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

It is not a de Polignac number, because 221011223431313 - 2²⁴ = 221011206654097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221011223433313) 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, 156828131 + ... + 158231112.

It is an arithmetic number, because the mean of its divisors is an integer number (31573347078216).

Almost surely, 2^{221011223431313} is an apocalyptic number.

It is an amenable number.

221011223431313 is a deficient number, since it is larger than the sum of its proper divisors (31575553194415).

221011223431313 is a wasteful number, since it uses less digits than its factorization.

221011223431313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315159463.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 221011223431313 its reverse (313134322110122), we get a palindrome (534145545541435).

The spelling of 221011223431313 in words is "two hundred twenty-one trillion, eleven billion, two hundred twenty-three million, four hundred thirty-one thousand, three hundred thirteen".