34203134321 has 4 divisors (see below), whose sum is σ = 34848476532. Its totient is φ = 33557792112.

The previous prime is 34203134311. The next prime is 34203134453. The reversal of 34203134321 is 12343130243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12343130243 = 109 ⋅113239727.

It can be written as a sum of positive squares in 2 ways, for example, as 24005164096 + 10197970225 = 154936^2 + 100985^2 .

It is a cyclic number.

It is not a de Polignac number, because 34203134321 - 2¹⁰ = 34203133297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34203134311) 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, 322671026 + ... + 322671131.

It is an arithmetic number, because the mean of its divisors is an integer number (8712119133).

Almost surely, 2^34203134321 is an apocalyptic number.

It is an amenable number.

34203134321 is a deficient number, since it is larger than the sum of its proper divisors (645342211).

34203134321 is an equidigital number, since it uses as much as digits as its factorization.

34203134321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645342210.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 34203134321 its reverse (12343130243), we get a palindrome (46546264564).

The spelling of 34203134321 in words is "thirty-four billion, two hundred three million, one hundred thirty-four thousand, three hundred twenty-one".