21310285830027 has 16 divisors (see below), whose sum is σ = 28809415840128. Its totient is φ = 14009093985600.

The previous prime is 21310285830017. The next prime is 21310285830061. The reversal of 21310285830027 is 72003858201312.

It is not a de Polignac number, because 21310285830027 - 2⁸ = 21310285829771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21310285830017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9956173 + ... + 11905710.

It is an arithmetic number, because the mean of its divisors is an integer number (1800588490008).

Almost surely, 2^{21310285830027} is an apocalyptic number.

21310285830027 is a deficient number, since it is larger than the sum of its proper divisors (7499130010101).

21310285830027 is a wasteful number, since it uses less digits than its factorization.

21310285830027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21866410.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 21310285830027 in words is "twenty-one trillion, three hundred ten billion, two hundred eighty-five million, eight hundred thirty thousand, twenty-seven".