30105241381 has 2 divisors, whose sum is σ = 30105241382. Its totient is φ = 30105241380.

The previous prime is 30105241373. The next prime is 30105241423. The reversal of 30105241381 is 18314250103.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29498062500 + 607178881 = 171750^2 + 24641^2 .

It is an emirp because it is prime and its reverse (18314250103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30105241381 - 2³ = 30105241373 is a prime.

It is a super-2 number, since 2×30105241381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30105241981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15052620690 + 15052620691.

It is an arithmetic number, because the mean of its divisors is an integer number (15052620691).

Almost surely, 2^30105241381 is an apocalyptic number.

It is an amenable number.

30105241381 is a deficient number, since it is larger than the sum of its proper divisors (1).

30105241381 is an equidigital number, since it uses as much as digits as its factorization.

30105241381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 30105241381 its reverse (18314250103), we get a palindrome (48419491484).

The spelling of 30105241381 in words is "thirty billion, one hundred five million, two hundred forty-one thousand, three hundred eighty-one".