2221303231313 has 8 divisors (see below), whose sum is σ = 2323895857920. Its totient is φ = 2121016057120.

The previous prime is 2221303231309. The next prime is 2221303231327. The reversal of 2221303231313 is 3131323031222.

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 2221303231313 - 2² = 2221303231309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2221303231373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576361133 + ... + 576364986.

It is an arithmetic number, because the mean of its divisors is an integer number (290486982240).

Almost surely, 2^{2221303231313} is an apocalyptic number.

It is an amenable number.

2221303231313 is a deficient number, since it is larger than the sum of its proper divisors (102592626607).

2221303231313 is a wasteful number, since it uses less digits than its factorization.

2221303231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152726207.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2221303231313 its reverse (3131323031222), we get a palindrome (5352626262535).

The spelling of 2221303231313 in words is "two trillion, two hundred twenty-one billion, three hundred three million, two hundred thirty-one thousand, three hundred thirteen".