30444040141 has 4 divisors (see below), whose sum is σ = 31426105984. Its totient is φ = 29461974300.

The previous prime is 30444040139. The next prime is 30444040169. The reversal of 30444040141 is 14104044403.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30444040141 - 2¹ = 30444040139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30444040111) 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, 491032875 + ... + 491032936.

It is an arithmetic number, because the mean of its divisors is an integer number (7856526496).

Almost surely, 2^30444040141 is an apocalyptic number.

30444040141 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30444040141 is a deficient number, since it is larger than the sum of its proper divisors (982065843).

30444040141 is an equidigital number, since it uses as much as digits as its factorization.

30444040141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982065842.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 30444040141 its reverse (14104044403), we get a palindrome (44548084544).

The spelling of 30444040141 in words is "thirty billion, four hundred forty-four million, forty thousand, one hundred forty-one".