21234117341 has 4 divisors (see below), whose sum is σ = 21752022684. Its totient is φ = 20716212000.

The previous prime is 21234117329. The next prime is 21234117343. The reversal of 21234117341 is 14371143212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6487658116 + 14746459225 = 80546^2 + 121435^2 .

It is a cyclic number.

It is not a de Polignac number, because 21234117341 - 2⁶ = 21234117277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21234117343) 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, 258952610 + ... + 258952691.

It is an arithmetic number, because the mean of its divisors is an integer number (5438005671).

Almost surely, 2^21234117341 is an apocalyptic number.

It is an amenable number.

21234117341 is a deficient number, since it is larger than the sum of its proper divisors (517905343).

21234117341 is an equidigital number, since it uses as much as digits as its factorization.

21234117341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517905342.

The product of its digits is 4032, while the sum is 29.

The spelling of 21234117341 in words is "twenty-one billion, two hundred thirty-four million, one hundred seventeen thousand, three hundred forty-one".