30211300993 has 2 divisors, whose sum is σ = 30211300994. Its totient is φ = 30211300992.

The previous prime is 30211300979. The next prime is 30211301027. The reversal of 30211300993 is 39900311203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30045715569 + 165585424 = 173337^2 + 12868^2 .

It is a cyclic number.

It is not a de Polignac number, because 30211300993 - 2¹³ = 30211292801 is a prime.

It is not a weakly prime, because it can be changed into another prime (30211300943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105650496 + 15105650497.

It is an arithmetic number, because the mean of its divisors is an integer number (15105650497).

Almost surely, 2^30211300993 is an apocalyptic number.

It is an amenable number.

30211300993 is a deficient number, since it is larger than the sum of its proper divisors (1).

30211300993 is an equidigital number, since it uses as much as digits as its factorization.

30211300993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 31.

The spelling of 30211300993 in words is "thirty billion, two hundred eleven million, three hundred thousand, nine hundred ninety-three".