21532341203 has 8 divisors (see below), whose sum is σ = 22260242928. Its totient is φ = 20814764544.

The previous prime is 21532341161. The next prime is 21532341251. The reversal of 21532341203 is 30214323512.

It is a happy number.

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 21532341203 - 2³⁰ = 20458599379 is a prime.

It is a super-2 number, since 2×21532341203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21532331203) 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 7 ways as a sum of consecutive naturals, for example, 2577026 + ... + 2585367.

It is an arithmetic number, because the mean of its divisors is an integer number (2782530366).

Almost surely, 2^21532341203 is an apocalyptic number.

21532341203 is a deficient number, since it is larger than the sum of its proper divisors (727901725).

21532341203 is an equidigital number, since it uses as much as digits as its factorization.

21532341203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162533.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 21532341203 its reverse (30214323512), we get a palindrome (51746664715).

The spelling of 21532341203 in words is "twenty-one billion, five hundred thirty-two million, three hundred forty-one thousand, two hundred three".