21304410032113 has 16 divisors (see below), whose sum is σ = 22972304226816. Its totient is φ = 19640680637760.

The previous prime is 21304410032077. The next prime is 21304410032119. The reversal of 21304410032113 is 31123001440312.

It is not a de Polignac number, because 21304410032113 - 2²⁹ = 21303873161201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21304410032119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60291556 + ... + 60643882.

It is an arithmetic number, because the mean of its divisors is an integer number (1435769014176).

Almost surely, 2^{21304410032113} is an apocalyptic number.

It is an amenable number.

21304410032113 is a deficient number, since it is larger than the sum of its proper divisors (1667894194703).

21304410032113 is a wasteful number, since it uses less digits than its factorization.

21304410032113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358224.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21304410032113 its reverse (31123001440312), we get a palindrome (52427411472425).

The spelling of 21304410032113 in words is "twenty-one trillion, three hundred four billion, four hundred ten million, thirty-two thousand, one hundred thirteen".