3430012321 has 2 divisors, whose sum is σ = 3430012322. Its totient is φ = 3430012320.

The previous prime is 3430012319. The next prime is 3430012331. The reversal of 3430012321 is 1232100343.

3430012321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3034797921 + 395214400 = 55089^2 + 19880^2 .

It is a cyclic number.

It is not a de Polignac number, because 3430012321 - 2¹ = 3430012319 is a prime.

Together with 3430012319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3430012331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715006160 + 1715006161.

It is an arithmetic number, because the mean of its divisors is an integer number (1715006161).

Almost surely, 2^3430012321 is an apocalyptic number.

It is an amenable number.

3430012321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3430012321 is an equidigital number, since it uses as much as digits as its factorization.

3430012321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3430012321 is about 58566.3070459458. The cubic root of 3430012321 is about 1508.1060887882.

Adding to 3430012321 its reverse (1232100343), we get a palindrome (4662112664).

The spelling of 3430012321 in words is "three billion, four hundred thirty million, twelve thousand, three hundred twenty-one".