305885314513 has 2 divisors, whose sum is σ = 305885314514. Its totient is φ = 305885314512.

The previous prime is 305885314439. The next prime is 305885314561. The reversal of 305885314513 is 315413588503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 302272342849 + 3612971664 = 549793^2 + 60108^2 .

It is a cyclic number.

It is not a de Polignac number, because 305885314513 - 2¹⁷ = 305885183441 is a prime.

It is not a weakly prime, because it can be changed into another prime (305885314213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152942657256 + 152942657257.

It is an arithmetic number, because the mean of its divisors is an integer number (152942657257).

Almost surely, 2^305885314513 is an apocalyptic number.

It is an amenable number.

305885314513 is a deficient number, since it is larger than the sum of its proper divisors (1).

305885314513 is an equidigital number, since it uses as much as digits as its factorization.

305885314513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 305885314513 in words is "three hundred five billion, eight hundred eighty-five million, three hundred fourteen thousand, five hundred thirteen".