21332002313203 has 4 divisors (see below), whose sum is σ = 21336353124208. Its totient is φ = 21327651502200.

The previous prime is 21332002313197. The next prime is 21332002313231. The reversal of 21332002313203 is 30231320023312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21332002313203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21332002313273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2175398148 + ... + 2175407953.

It is an arithmetic number, because the mean of its divisors is an integer number (5334088281052).

Almost surely, 2^{21332002313203} is an apocalyptic number.

21332002313203 is a deficient number, since it is larger than the sum of its proper divisors (4350811005).

21332002313203 is an equidigital number, since it uses as much as digits as its factorization.

21332002313203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4350811004.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 21332002313203 its reverse (30231320023312), we get a palindrome (51563322336515).

The spelling of 21332002313203 in words is "twenty-one trillion, three hundred thirty-two billion, two million, three hundred thirteen thousand, two hundred three".