21304110140313 has 384 divisors, whose sum is σ = 41441234472960. Its totient is φ = 9452617574400.

The previous prime is 21304110140311. The next prime is 21304110140317. The reversal of 21304110140313 is 31304101140312.

It is a happy number.

It is not a de Polignac number, because 21304110140313 - 2¹ = 21304110140311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21304110140311) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 2374770918 + ... + 2374779888.

It is an arithmetic number, because the mean of its divisors is an integer number (107919881440).

Almost surely, 2^{21304110140313} is an apocalyptic number.

It is an amenable number.

21304110140313 is a deficient number, since it is larger than the sum of its proper divisors (20137124332647).

21304110140313 is a wasteful number, since it uses less digits than its factorization.

21304110140313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9149 (or 9138 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 21304110140313 its reverse (31304101140312), we get a palindrome (52608211280625).

Subtracting 21304110140313 from its reverse (31304101140312), we obtain a palindrome (9999990999999).

The spelling of 21304110140313 in words is "twenty-one trillion, three hundred four billion, one hundred ten million, one hundred forty thousand, three hundred thirteen".