3313221403 has 4 divisors (see below), whose sum is σ = 3327817320. Its totient is φ = 3298625488.

The previous prime is 3313221391. The next prime is 3313221421. The reversal of 3313221403 is 3041223133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3313221403 - 2⁹ = 3313220891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3313221433) 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, 7297618 + ... + 7298071.

It is an arithmetic number, because the mean of its divisors is an integer number (831954330).

Almost surely, 2^3313221403 is an apocalyptic number.

3313221403 is a deficient number, since it is larger than the sum of its proper divisors (14595917).

3313221403 is a wasteful number, since it uses less digits than its factorization.

3313221403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14595916.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 3313221403 is about 57560.5889737067. The cubic root of 3313221403 is about 1490.7911962408.

Adding to 3313221403 its reverse (3041223133), we get a palindrome (6354444536).

The spelling of 3313221403 in words is "three billion, three hundred thirteen million, two hundred twenty-one thousand, four hundred three".