21134321313141 has 4 divisors (see below), whose sum is σ = 28179095084192. Its totient is φ = 14089547542092.

The previous prime is 21134321313121. The next prime is 21134321313143. The reversal of 21134321313141 is 14131312343112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 21134321313141 - 2¹⁴ = 21134321296757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21134321313099 and 21134321313108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21134321313143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3522386885521 + ... + 3522386885526.

It is an arithmetic number, because the mean of its divisors is an integer number (7044773771048).

Almost surely, 2^{21134321313141} is an apocalyptic number.

It is an amenable number.

21134321313141 is a deficient number, since it is larger than the sum of its proper divisors (7044773771051).

21134321313141 is an equidigital number, since it uses as much as digits as its factorization.

21134321313141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7044773771050.

The product of its digits is 5184, while the sum is 30.

Adding to 21134321313141 its reverse (14131312343112), we get a palindrome (35265633656253).

The spelling of 21134321313141 in words is "twenty-one trillion, one hundred thirty-four billion, three hundred twenty-one million, three hundred thirteen thousand, one hundred forty-one".