21223132030313 has 8 divisors (see below), whose sum is σ = 21740830775496. Its totient is φ = 20705436208000.

The previous prime is 21223132030267. The next prime is 21223132030367. The reversal of 21223132030313 is 31303023132212.

It can be written as a sum of positive squares in 4 ways, for example, as 770415219289 + 20452716811024 = 877733^2 + 4522468^2 .

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 21223132030313 - 2²⁶ = 21223064921449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21223132036313) 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, 24297995 + ... + 25156287.

It is an arithmetic number, because the mean of its divisors is an integer number (2717603846937).

Almost surely, 2^{21223132030313} is an apocalyptic number.

It is an amenable number.

21223132030313 is a deficient number, since it is larger than the sum of its proper divisors (517698745183).

21223132030313 is an equidigital number, since it uses as much as digits as its factorization.

21223132030313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461435.

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

Adding to 21223132030313 its reverse (31303023132212), we get a palindrome (52526155162525).

The spelling of 21223132030313 in words is "twenty-one trillion, two hundred twenty-three billion, one hundred thirty-two million, thirty thousand, three hundred thirteen".