30507760105 has 4 divisors (see below), whose sum is σ = 36609312132. Its totient is φ = 24406208080.

The previous prime is 30507760103. The next prime is 30507760123. The reversal of 30507760105 is 50106770503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19193608681 + 11314151424 = 138541^2 + 106368^2 .

It is not a de Polignac number, because 30507760105 - 2¹ = 30507760103 is a prime.

It is a super-2 number, since 2×30507760105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30507760103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050776006 + ... + 3050776015.

It is an arithmetic number, because the mean of its divisors is an integer number (9152328033).

Almost surely, 2^30507760105 is an apocalyptic number.

It is an amenable number.

30507760105 is a deficient number, since it is larger than the sum of its proper divisors (6101552027).

30507760105 is an equidigital number, since it uses as much as digits as its factorization.

30507760105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101552026.

The product of its (nonzero) digits is 22050, while the sum is 34.

The spelling of 30507760105 in words is "thirty billion, five hundred seven million, seven hundred sixty thousand, one hundred five".