30140322805 has 16 divisors (see below), whose sum is σ = 38303817840. Its totient is φ = 22689221632.

The previous prime is 30140322749. The next prime is 30140322841. The reversal of 30140322805 is 50822304103.

It can be written as a sum of positive squares in 8 ways, for example, as 59582961 + 30080739844 = 7719^2 + 173438^2 .

It is not a de Polignac number, because 30140322805 - 2¹¹ = 30140320757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411291 + ... + 478999.

It is an arithmetic number, because the mean of its divisors is an integer number (2393988615).

Almost surely, 2^30140322805 is an apocalyptic number.

It is an amenable number.

30140322805 is a deficient number, since it is larger than the sum of its proper divisors (8163495035).

30140322805 is a wasteful number, since it uses less digits than its factorization.

30140322805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72968.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 30140322805 its reverse (50822304103), we get a palindrome (80962626908).

The spelling of 30140322805 in words is "thirty billion, one hundred forty million, three hundred twenty-two thousand, eight hundred five".