30111110993 has 2 divisors, whose sum is σ = 30111110994. Its totient is φ = 30111110992.

The previous prime is 30111110983. The next prime is 30111111049. The reversal of 30111110993 is 39901111103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28775354689 + 1335756304 = 169633^2 + 36548^2 .

It is a cyclic number.

It is not a de Polignac number, because 30111110993 - 2¹⁰ = 30111109969 is a prime.

It is a super-3 number, since 3×30111110993³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (30111110983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15055555496 + 15055555497.

It is an arithmetic number, because the mean of its divisors is an integer number (15055555497).

Almost surely, 2^30111110993 is an apocalyptic number.

It is an amenable number.

30111110993 is a deficient number, since it is larger than the sum of its proper divisors (1).

30111110993 is an equidigital number, since it uses as much as digits as its factorization.

30111110993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 29.

The spelling of 30111110993 in words is "thirty billion, one hundred eleven million, one hundred ten thousand, nine hundred ninety-three".