30112010405 has 4 divisors (see below), whose sum is σ = 36134412492. Its totient is φ = 24089608320.

The previous prime is 30112010387. The next prime is 30112010413. The reversal of 30112010405 is 50401021103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50401021103 = 125539 ⋅401477.

It can be written as a sum of positive squares in 2 ways, for example, as 12305243041 + 17806767364 = 110929^2 + 133442^2 .

It is a de Polignac number, because none of the positive numbers 2^k-30112010405 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3011201036 + ... + 3011201045.

It is an arithmetic number, because the mean of its divisors is an integer number (9033603123).

Almost surely, 2^30112010405 is an apocalyptic number.

It is an amenable number.

30112010405 is a deficient number, since it is larger than the sum of its proper divisors (6022402087).

30112010405 is an equidigital number, since it uses as much as digits as its factorization.

30112010405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6022402086.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 30112010405 its reverse (50401021103), we get a palindrome (80513031508).

The spelling of 30112010405 in words is "thirty billion, one hundred twelve million, ten thousand, four hundred five".