221013302313 has 32 divisors (see below), whose sum is σ = 312667084800. Its totient is φ = 138387237120.

The previous prime is 221013302287. The next prime is 221013302327. The reversal of 221013302313 is 313203310122.

It is not a de Polignac number, because 221013302313 - 2¹⁶ = 221013236777 is a prime.

It is a super-2 number, since 2×221013302313² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221013302313.

It is not an unprimeable number, because it can be changed into a prime (221013302513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67565868 + ... + 67569138.

It is an arithmetic number, because the mean of its divisors is an integer number (9770846400).

Almost surely, 2^221013302313 is an apocalyptic number.

It is an amenable number.

221013302313 is a deficient number, since it is larger than the sum of its proper divisors (91653782487).

221013302313 is a wasteful number, since it uses less digits than its factorization.

221013302313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5637.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 221013302313 its reverse (313203310122), we get a palindrome (534216612435).

The spelling of 221013302313 in words is "two hundred twenty-one billion, thirteen million, three hundred two thousand, three hundred thirteen".