21134301312313 has 16 divisors (see below), whose sum is σ = 24488581049856. Its totient is φ = 17863880659200.

The previous prime is 21134301312283. The next prime is 21134301312329. The reversal of 21134301312313 is 31321310343112.

It is a cyclic number.

It is not a de Polignac number, because 21134301312313 - 2²⁵ = 21134267757881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21134301312353) 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 15 ways as a sum of consecutive naturals, for example, 600481 + ... + 6529102.

It is an arithmetic number, because the mean of its divisors is an integer number (1530536315616).

Almost surely, 2^{21134301312313} is an apocalyptic number.

It is an amenable number.

21134301312313 is a deficient number, since it is larger than the sum of its proper divisors (3354279737543).

21134301312313 is an equidigital number, since it uses as much as digits as its factorization.

21134301312313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7135464.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 21134301312313 its reverse (31321310343112), we get a palindrome (52455611655425).

The spelling of 21134301312313 in words is "twenty-one trillion, one hundred thirty-four billion, three hundred one million, three hundred twelve thousand, three hundred thirteen".