21233202313 has 8 divisors (see below), whose sum is σ = 21285790400. Its totient is φ = 21180674448.

The previous prime is 21233202299. The next prime is 21233202337. The reversal of 21233202313 is 31320233212.

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 21233202313 - 2¹³ = 21233194121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21233202343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736708 + ... + 764986.

It is an arithmetic number, because the mean of its divisors is an integer number (2660723800).

Almost surely, 2^21233202313 is an apocalyptic number.

It is an amenable number.

21233202313 is a deficient number, since it is larger than the sum of its proper divisors (52588087).

21233202313 is a wasteful number, since it uses less digits than its factorization.

21233202313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30111.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21233202313 its reverse (31320233212), we get a palindrome (52553435525).

The spelling of 21233202313 in words is "twenty-one billion, two hundred thirty-three million, two hundred two thousand, three hundred thirteen".