34103204021 has 2 divisors, whose sum is σ = 34103204022. Its totient is φ = 34103204020.

The previous prime is 34103203997. The next prime is 34103204077. The reversal of 34103204021 is 12040230143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25205055121 + 8898148900 = 158761^2 + 94330^2 .

It is a cyclic number.

It is not a de Polignac number, because 34103204021 - 2¹⁰ = 34103202997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34103203984 and 34103204002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34103204321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17051602010 + 17051602011.

It is an arithmetic number, because the mean of its divisors is an integer number (17051602011).

Almost surely, 2^34103204021 is an apocalyptic number.

It is an amenable number.

34103204021 is a deficient number, since it is larger than the sum of its proper divisors (1).

34103204021 is an equidigital number, since it uses as much as digits as its factorization.

34103204021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 34103204021 its reverse (12040230143), we get a palindrome (46143434164).

The spelling of 34103204021 in words is "thirty-four billion, one hundred three million, two hundred four thousand, twenty-one".