30301210993 has 2 divisors, whose sum is σ = 30301210994. Its totient is φ = 30301210992.

The previous prime is 30301210987. The next prime is 30301211021. The reversal of 30301210993 is 39901210303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27990293809 + 2310917184 = 167303^2 + 48072^2 .

It is an emirp because it is prime and its reverse (39901210303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30301210993 - 2¹³ = 30301202801 is a prime.

It is not a weakly prime, because it can be changed into another prime (30308210993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15150605496 + 15150605497.

It is an arithmetic number, because the mean of its divisors is an integer number (15150605497).

Almost surely, 2^30301210993 is an apocalyptic number.

It is an amenable number.

30301210993 is a deficient number, since it is larger than the sum of its proper divisors (1).

30301210993 is an equidigital number, since it uses as much as digits as its factorization.

30301210993 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 30301210993 in words is "thirty billion, three hundred one million, two hundred ten thousand, nine hundred ninety-three".