33320377313 has 2 divisors, whose sum is σ = 33320377314. Its totient is φ = 33320377312.

The previous prime is 33320377309. The next prime is 33320377351. The reversal of 33320377313 is 31377302333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33319756369 + 620944 = 182537^2 + 788^2 .

It is a cyclic number.

It is not a de Polignac number, because 33320377313 - 2² = 33320377309 is a prime.

It is a super-2 number, since 2×33320377313² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (33320377513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16660188656 + 16660188657.

It is an arithmetic number, because the mean of its divisors is an integer number (16660188657).

Almost surely, 2^33320377313 is an apocalyptic number.

It is an amenable number.

33320377313 is a deficient number, since it is larger than the sum of its proper divisors (1).

33320377313 is an equidigital number, since it uses as much as digits as its factorization.

33320377313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71442, while the sum is 35.

Adding to 33320377313 its reverse (31377302333), we get a palindrome (64697679646).

The spelling of 33320377313 in words is "thirty-three billion, three hundred twenty million, three hundred seventy-seven thousand, three hundred thirteen".