3313142321 has 4 divisors (see below), whose sum is σ = 3313600500. Its totient is φ = 3312684144.

The previous prime is 3313142311. The next prime is 3313142363. The reversal of 3313142321 is 1232413133.

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 1461991696 + 1851150625 = 38236^2 + 43025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3313142321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3313142311) 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, 218066 + ... + 232763.

It is an arithmetic number, because the mean of its divisors is an integer number (828400125).

Almost surely, 2^3313142321 is an apocalyptic number.

It is an amenable number.

3313142321 is a deficient number, since it is larger than the sum of its proper divisors (458179).

3313142321 is an equidigital number, since it uses as much as digits as its factorization.

3313142321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458178.

The product of its digits is 1296, while the sum is 23.

The square root of 3313142321 is about 57559.9020238916. The cubic root of 3313142321 is about 1490.7793351070.

Adding to 3313142321 its reverse (1232413133), we get a palindrome (4545555454).

The spelling of 3313142321 in words is "three billion, three hundred thirteen million, one hundred forty-two thousand, three hundred twenty-one".