30221323230144 has 28 divisors (see below), whose sum is σ = 79960584380264. Its totient is φ = 10073774409984.

The previous prime is 30221323230029. The next prime is 30221323230169. The reversal of 30221323230144 is 44103232312203.

It is a happy 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, 78701362387 + ... + 78701362770.

It is an arithmetic number, because the mean of its divisors is an integer number (2855735156438).

Almost surely, 2^{30221323230144} is an apocalyptic number.

It is an amenable number.

30221323230144 is an abundant number, since it is smaller than the sum of its proper divisors (49739261150120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30221323230144 is a wasteful number, since it uses less digits than its factorization.

30221323230144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157402725172 (or 157402725162 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 30221323230144 its reverse (44103232312203), we get a palindrome (74324555542347).

The spelling of 30221323230144 in words is "thirty trillion, two hundred twenty-one billion, three hundred twenty-three million, two hundred thirty thousand, one hundred forty-four".