30811341109 has 2 divisors, whose sum is σ = 30811341110. Its totient is φ = 30811341108.

The previous prime is 30811341031. The next prime is 30811341251. The reversal of 30811341109 is 90114311803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28576888209 + 2234452900 = 169047^2 + 47270^2 .

It is a cyclic number.

It is not a de Polignac number, because 30811341109 - 2¹¹ = 30811339061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30811341809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15405670554 + 15405670555.

It is an arithmetic number, because the mean of its divisors is an integer number (15405670555).

Almost surely, 2^30811341109 is an apocalyptic number.

It is an amenable number.

30811341109 is a deficient number, since it is larger than the sum of its proper divisors (1).

30811341109 is an equidigital number, since it uses as much as digits as its factorization.

30811341109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 30811341109 in words is "thirty billion, eight hundred eleven million, three hundred forty-one thousand, one hundred nine".