305311531429 has 2 divisors, whose sum is σ = 305311531430. Its totient is φ = 305311531428.

The previous prime is 305311531403. The next prime is 305311531477. The reversal of 305311531429 is 924135113503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301481159329 + 3830372100 = 549073^2 + 61890^2 .

It is a cyclic number.

It is not a de Polignac number, because 305311531429 - 2³⁵ = 270951793061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305311531529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152655765714 + 152655765715.

It is an arithmetic number, because the mean of its divisors is an integer number (152655765715).

Almost surely, 2^305311531429 is an apocalyptic number.

It is an amenable number.

305311531429 is a deficient number, since it is larger than the sum of its proper divisors (1).

305311531429 is an equidigital number, since it uses as much as digits as its factorization.

305311531429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 305311531429 in words is "three hundred five billion, three hundred eleven million, five hundred thirty-one thousand, four hundred twenty-nine".