308336520013 has 2 divisors, whose sum is σ = 308336520014. Its totient is φ = 308336520012.

The previous prime is 308336519999. The next prime is 308336520029. The reversal of 308336520013 is 310025633803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253223323369 + 55113196644 = 503213^2 + 234762^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-308336520013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (308336520313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154168260006 + 154168260007.

It is an arithmetic number, because the mean of its divisors is an integer number (154168260007).

Almost surely, 2^308336520013 is an apocalyptic number.

It is an amenable number.

308336520013 is a deficient number, since it is larger than the sum of its proper divisors (1).

308336520013 is an equidigital number, since it uses as much as digits as its factorization.

308336520013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 308336520013 in words is "three hundred eight billion, three hundred thirty-six million, five hundred twenty thousand, thirteen".