21032301203 has 4 divisors (see below), whose sum is σ = 21377093088. Its totient is φ = 20687509320.

The previous prime is 21032301187. The next prime is 21032301211. The reversal of 21032301203 is 30210323012.

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

It is a cyclic number.

It is not a de Polignac number, because 21032301203 - 2⁴ = 21032301187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21032301293) 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, 172395851 + ... + 172395972.

It is an arithmetic number, because the mean of its divisors is an integer number (5344273272).

Almost surely, 2^21032301203 is an apocalyptic number.

21032301203 is a deficient number, since it is larger than the sum of its proper divisors (344791885).

21032301203 is an equidigital number, since it uses as much as digits as its factorization.

21032301203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344791884.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21032301203 its reverse (30210323012), we get a palindrome (51242624215).

The spelling of 21032301203 in words is "twenty-one billion, thirty-two million, three hundred one thousand, two hundred three".