3313320161 has 2 divisors, whose sum is σ = 3313320162. Its totient is φ = 3313320160.

The previous prime is 3313320139. The next prime is 3313320169. The reversal of 3313320161 is 1610233133.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2792065600 + 521254561 = 52840^2 + 22831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3313320161 is a prime.

It is not a weakly prime, because it can be changed into another prime (3313320169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656660080 + 1656660081.

It is an arithmetic number, because the mean of its divisors is an integer number (1656660081).

Almost surely, 2^3313320161 is an apocalyptic number.

It is an amenable number.

3313320161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3313320161 is an equidigital number, since it uses as much as digits as its factorization.

3313320161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 3313320161 is about 57561.4468285848. The cubic root of 3313320161 is about 1490.8060082195.

Adding to 3313320161 its reverse (1610233133), we get a palindrome (4923553294).

The spelling of 3313320161 in words is "three billion, three hundred thirteen million, three hundred twenty thousand, one hundred sixty-one".