21310330310113 has 16 divisors (see below), whose sum is σ = 23046295829760. Its totient is φ = 19588185316224.

The previous prime is 21310330310089. The next prime is 21310330310153. The reversal of 21310330310113 is 31101303301312.

It is a cyclic number.

It is not a de Polignac number, because 21310330310113 - 2¹³ = 21310330301921 is a prime.

It is a super-2 number, since 2×21310330310113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21310330310153) 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, 131665245 + ... + 131826997.

It is an arithmetic number, because the mean of its divisors is an integer number (1440393489360).

Almost surely, 2^{21310330310113} is an apocalyptic number.

It is an amenable number.

21310330310113 is a deficient number, since it is larger than the sum of its proper divisors (1735965519647).

21310330310113 is a wasteful number, since it uses less digits than its factorization.

21310330310113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204408.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 21310330310113 its reverse (31101303301312), we get a palindrome (52411633611425).

The spelling of 21310330310113 in words is "twenty-one trillion, three hundred ten billion, three hundred thirty million, three hundred ten thousand, one hundred thirteen".