30303134357 has 2 divisors, whose sum is σ = 30303134358. Its totient is φ = 30303134356.

The previous prime is 30303134299. The next prime is 30303134383. The reversal of 30303134357 is 75343130303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29312521681 + 990612676 = 171209^2 + 31474^2 .

It is a cyclic number.

It is not a de Polignac number, because 30303134357 - 2⁶ = 30303134293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30303134957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15151567178 + 15151567179.

It is an arithmetic number, because the mean of its divisors is an integer number (15151567179).

Almost surely, 2^30303134357 is an apocalyptic number.

It is an amenable number.

30303134357 is a deficient number, since it is larger than the sum of its proper divisors (1).

30303134357 is an equidigital number, since it uses as much as digits as its factorization.

30303134357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 32.

The spelling of 30303134357 in words is "thirty billion, three hundred three million, one hundred thirty-four thousand, three hundred fifty-seven".