21310100002013 has 8 divisors (see below), whose sum is σ = 21401712498816. Its totient is φ = 21218488812000.

The previous prime is 21310100002007. The next prime is 21310100002039. The reversal of 21310100002013 is 31020000101312.

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 21310100002013 - 2¹² = 21310099997917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21310100002073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47146538 + ... + 47596388.

It is an arithmetic number, because the mean of its divisors is an integer number (2675214062352).

Almost surely, 2^{21310100002013} is an apocalyptic number.

It is an amenable number.

21310100002013 is a deficient number, since it is larger than the sum of its proper divisors (91612496803).

21310100002013 is a wasteful number, since it uses less digits than its factorization.

21310100002013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653395.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21310100002013 its reverse (31020000101312), we get a palindrome (52330100103325).

The spelling of 21310100002013 in words is "twenty-one trillion, three hundred ten billion, one hundred million, two thousand, thirteen".