21310130202 has 8 divisors (see below), whose sum is σ = 42620260416. Its totient is φ = 7103376732.

The previous prime is 21310130183. The next prime is 21310130239. The reversal of 21310130202 is 20203101312.

It is a sphenic number, since it is the product of 3 distinct primes.

21310130202 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1775844178 + ... + 1775844189.

It is an arithmetic number, because the mean of its divisors is an integer number (5327532552).

Almost surely, 2^21310130202 is an apocalyptic number.

21310130202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21310130202 is a wasteful number, since it uses less digits than its factorization.

21310130202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551688372.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21310130202 its reverse (20203101312), we get a palindrome (41513231514).

The spelling of 21310130202 in words is "twenty-one billion, three hundred ten million, one hundred thirty thousand, two hundred two".