30758308057 has 2 divisors, whose sum is σ = 30758308058. Its totient is φ = 30758308056.

The previous prime is 30758308039. The next prime is 30758308073. The reversal of 30758308057 is 75080385703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17903510416 + 12854797641 = 133804^2 + 113379^2 .

It is a cyclic number.

It is not a de Polignac number, because 30758308057 - 2¹⁹ = 30757783769 is a prime.

It is a super-2 number, since 2×30758308057² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30758307998 and 30758308016.

It is not a weakly prime, because it can be changed into another prime (30758300057) 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, 15379154028 + 15379154029.

It is an arithmetic number, because the mean of its divisors is an integer number (15379154029).

Almost surely, 2^30758308057 is an apocalyptic number.

It is an amenable number.

30758308057 is a deficient number, since it is larger than the sum of its proper divisors (1).

30758308057 is an equidigital number, since it uses as much as digits as its factorization.

30758308057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 30758308057 in words is "thirty billion, seven hundred fifty-eight million, three hundred eight thousand, fifty-seven".