30105131205 has 8 divisors (see below), whose sum is σ = 48168209952. Its totient is φ = 16056069968.

The previous prime is 30105131197. The next prime is 30105131209. The reversal of 30105131205 is 50213150103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30105131205 - 2³ = 30105131197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30105131209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003504359 + ... + 1003504388.

It is an arithmetic number, because the mean of its divisors is an integer number (6021026244).

Almost surely, 2^30105131205 is an apocalyptic number.

It is an amenable number.

30105131205 is a deficient number, since it is larger than the sum of its proper divisors (18063078747).

30105131205 is a wasteful number, since it uses less digits than its factorization.

30105131205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007008755.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 30105131205 its reverse (50213150103), we get a palindrome (80318281308).

The spelling of 30105131205 in words is "thirty billion, one hundred five million, one hundred thirty-one thousand, two hundred five".