21314003353 has 4 divisors (see below), whose sum is σ = 21315238180. Its totient is φ = 21312768528.

The previous prime is 21314003341. The next prime is 21314003383. The reversal of 21314003353 is 35330041312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4882096384 + 16431906969 = 69872^2 + 128187^2 .

It is a cyclic number.

It is not a de Polignac number, because 21314003353 - 2²¹ = 21311906201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21314003383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591150 + ... + 626167.

It is an arithmetic number, because the mean of its divisors is an integer number (5328809545).

Almost surely, 2^21314003353 is an apocalyptic number.

It is an amenable number.

21314003353 is a deficient number, since it is larger than the sum of its proper divisors (1234827).

21314003353 is a wasteful number, since it uses less digits than its factorization.

21314003353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234826.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 21314003353 its reverse (35330041312), we get a palindrome (56644044665).

The spelling of 21314003353 in words is "twenty-one billion, three hundred fourteen million, three thousand, three hundred fifty-three".