3400304321 has 2 divisors, whose sum is σ = 3400304322. Its totient is φ = 3400304320.

The previous prime is 3400304293. The next prime is 3400304393. The reversal of 3400304321 is 1234030043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2503601296 + 896703025 = 50036^2 + 29945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3400304321 is a prime.

It is a super-2 number, since 2×3400304321² = 23124138950822542082, which contains 22 as substring.

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 = 3400304293 and 3400304302.

It is not a weakly prime, because it can be changed into another prime (3400304021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700152160 + 1700152161.

It is an arithmetic number, because the mean of its divisors is an integer number (1700152161).

Almost surely, 2^3400304321 is an apocalyptic number.

It is an amenable number.

3400304321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3400304321 is an equidigital number, since it uses as much as digits as its factorization.

3400304321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3400304321 is about 58312.1284211098. The cubic root of 3400304321 is about 1503.7394581845.

Adding to 3400304321 its reverse (1234030043), we get a palindrome (4634334364).

The spelling of 3400304321 in words is "three billion, four hundred million, three hundred four thousand, three hundred twenty-one".