30105121343 has 16 divisors (see below), whose sum is σ = 33637718400. Its totient is φ = 26706365280.

The previous prime is 30105121283. The next prime is 30105121351. The reversal of 30105121343 is 34312150103.

It is a cyclic number.

It is not a de Polignac number, because 30105121343 - 2¹² = 30105117247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30105121363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475868 + ... + 535406.

It is an arithmetic number, because the mean of its divisors is an integer number (2102357400).

Almost surely, 2^30105121343 is an apocalyptic number.

30105121343 is a deficient number, since it is larger than the sum of its proper divisors (3532597057).

30105121343 is a wasteful number, since it uses less digits than its factorization.

30105121343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60662.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 30105121343 its reverse (34312150103), we get a palindrome (64417271446).

The spelling of 30105121343 in words is "thirty billion, one hundred five million, one hundred twenty-one thousand, three hundred forty-three".