21133342102313 has 4 divisors (see below), whose sum is σ = 24152390974080. Its totient is φ = 18114293230548.

The previous prime is 21133342102283. The next prime is 21133342102337. The reversal of 21133342102313 is 31320124333112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21133342102313 - 2¹⁴ = 21133342085929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21133342102343) 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 3 ways as a sum of consecutive naturals, for example, 1509524435873 + ... + 1509524435886.

It is an arithmetic number, because the mean of its divisors is an integer number (6038097743520).

Almost surely, 2^{21133342102313} is an apocalyptic number.

It is an amenable number.

21133342102313 is a deficient number, since it is larger than the sum of its proper divisors (3019048871767).

21133342102313 is an equidigital number, since it uses as much as digits as its factorization.

21133342102313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3019048871766.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 21133342102313 its reverse (31320124333112), we get a palindrome (52453466435425).

The spelling of 21133342102313 in words is "twenty-one trillion, one hundred thirty-three billion, three hundred forty-two million, one hundred two thousand, three hundred thirteen".