3430304231221 has 16 divisors (see below), whose sum is σ = 4306102732800. Its totient is φ = 2664401061168.

The previous prime is 3430304231153. The next prime is 3430304231227. The reversal of 3430304231221 is 1221324030343.

It is a happy number.

It is not a de Polignac number, because 3430304231221 - 2¹⁹ = 3430303706933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3430304231221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3430304231227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560687401 + ... + 560693518.

It is an arithmetic number, because the mean of its divisors is an integer number (269131420800).

Almost surely, 2^{3430304231221} is an apocalyptic number.

It is an amenable number.

3430304231221 is a deficient number, since it is larger than the sum of its proper divisors (875798501579).

3430304231221 is a wasteful number, since it uses less digits than its factorization.

3430304231221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121380968.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 3430304231221 its reverse (1221324030343), we get a palindrome (4651628261564).

The spelling of 3430304231221 in words is "three trillion, four hundred thirty billion, three hundred four million, two hundred thirty-one thousand, two hundred twenty-one".