30313244077 has 2 divisors, whose sum is σ = 30313244078. Its totient is φ = 30313244076.

The previous prime is 30313243993. The next prime is 30313244173. The reversal of 30313244077 is 77044231303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30132099396 + 181144681 = 173586^2 + 13459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30313244077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30313244677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156622038 + 15156622039.

It is an arithmetic number, because the mean of its divisors is an integer number (15156622039).

Almost surely, 2^30313244077 is an apocalyptic number.

It is an amenable number.

30313244077 is a deficient number, since it is larger than the sum of its proper divisors (1).

30313244077 is an equidigital number, since it uses as much as digits as its factorization.

30313244077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 34.

The spelling of 30313244077 in words is "thirty billion, three hundred thirteen million, two hundred forty-four thousand, seventy-seven".