3313360821 has 16 divisors (see below), whose sum is σ = 4448351744. Its totient is φ = 2193660144.

The previous prime is 3313360819. The next prime is 3313360859. The reversal of 3313360821 is 1280633133.

It is not a de Polignac number, because 3313360821 - 2¹ = 3313360819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3313360121) 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, 1146240 + ... + 1149126.

It is an arithmetic number, because the mean of its divisors is an integer number (278021984).

Almost surely, 2^3313360821 is an apocalyptic number.

It is an amenable number.

3313360821 is a deficient number, since it is larger than the sum of its proper divisors (1134990923).

3313360821 is a wasteful number, since it uses less digits than its factorization.

3313360821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 3313360821 is about 57561.8000152879. The cubic root of 3313360821 is about 1490.8121064253.

Adding to 3313360821 its reverse (1280633133), we get a palindrome (4593993954).

The spelling of 3313360821 in words is "three billion, three hundred thirteen million, three hundred sixty thousand, eight hundred twenty-one".