34303343403221 has 4 divisors (see below), whose sum is σ = 34303373292972. Its totient is φ = 34303313513472.

The previous prime is 34303343403211. The next prime is 34303343403229. The reversal of 34303343403221 is 12230434330343.

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 5544899367121 + 28758444036100 = 2354761^2 + 5362690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34303343403221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34303343403229) 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, 13151660 + ... + 15542613.

It is an arithmetic number, because the mean of its divisors is an integer number (8575843323243).

Almost surely, 2^{34303343403221} is an apocalyptic number.

It is an amenable number.

34303343403221 is a deficient number, since it is larger than the sum of its proper divisors (29889751).

34303343403221 is a wasteful number, since it uses less digits than its factorization.

34303343403221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29889750.

The product of its (nonzero) digits is 186624, while the sum is 35.

Adding to 34303343403221 its reverse (12230434330343), we get a palindrome (46533777733564).

The spelling of 34303343403221 in words is "thirty-four trillion, three hundred three billion, three hundred forty-three million, four hundred three thousand, two hundred twenty-one".