30401220243 has 8 divisors (see below), whose sum is σ = 40535796688. Its totient is φ = 20267061984.

The previous prime is 30401220197. The next prime is 30401220259. The reversal of 30401220243 is 34202210403.

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

It is not a de Polignac number, because 30401220243 - 2¹² = 30401216147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30401220263) 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, 162621 + ... + 295377.

It is an arithmetic number, because the mean of its divisors is an integer number (5066974586).

Almost surely, 2^30401220243 is an apocalyptic number.

30401220243 is a deficient number, since it is larger than the sum of its proper divisors (10134576445).

30401220243 is a wasteful number, since it uses less digits than its factorization.

30401220243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209093.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 30401220243 its reverse (34202210403), we get a palindrome (64603430646).

The spelling of 30401220243 in words is "thirty billion, four hundred one million, two hundred twenty thousand, two hundred forty-three".