3313320121 has 4 divisors (see below), whose sum is σ = 3342641652. Its totient is φ = 3283998592.

The previous prime is 3313320079. The next prime is 3313320139. The reversal of 3313320121 is 1210233133.

3313320121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 113720896 + 3199599225 = 10664^2 + 56565^2 .

It is a cyclic number.

It is not a de Polignac number, because 3313320121 - 2¹⁹ = 3312795833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3313320161) 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, 14660596 + ... + 14660821.

It is an arithmetic number, because the mean of its divisors is an integer number (835660413).

Almost surely, 2^3313320121 is an apocalyptic number.

It is an amenable number.

3313320121 is a deficient number, since it is larger than the sum of its proper divisors (29321531).

3313320121 is a wasteful number, since it uses less digits than its factorization.

3313320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29321530.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3313320121 is about 57561.4464811301. The cubic root of 3313320121 is about 1490.8060022202.

Adding to 3313320121 its reverse (1210233133), we get a palindrome (4523553254).

The spelling of 3313320121 in words is "three billion, three hundred thirteen million, three hundred twenty thousand, one hundred twenty-one".