3421021330 has 8 divisors (see below), whose sum is σ = 6157838412. Its totient is φ = 1368408528.

The previous prime is 3421021321. The next prime is 3421021339. The reversal of 3421021330 is 331201243.

It is an interprime number because it is at equal distance from previous prime (3421021321) and next prime (3421021339).

It can be written as a sum of positive squares in 2 ways, for example, as 3409508881 + 11512449 = 58391^2 + 3393^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3421021298 and 3421021307.

It is not an unprimeable number, because it can be changed into a prime (3421021339) 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, 171051057 + ... + 171051076.

Almost surely, 2^3421021330 is an apocalyptic number.

3421021330 is a deficient number, since it is larger than the sum of its proper divisors (2736817082).

3421021330 is a wasteful number, since it uses less digits than its factorization.

3421021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342102140.

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

The square root of 3421021330 is about 58489.4976042708. The cubic root of 3421021330 is about 1506.7872176125.

Adding to 3421021330 its reverse (331201243), we get a palindrome (3752222573).

The spelling of 3421021330 in words is "three billion, four hundred twenty-one million, twenty-one thousand, three hundred thirty".