30221130344 has 16 divisors (see below), whose sum is σ = 56681834820. Its totient is φ = 15105974400.

The previous prime is 30221130343. The next prime is 30221130353. The reversal of 30221130344 is 44303112203.

It can be written as a sum of positive squares in 2 ways, for example, as 29794212100 + 426918244 = 172610^2 + 20662^2 .

It is not an unprimeable number, because it can be changed into a prime (30221130343) 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, 545789 + ... + 598604.

Almost surely, 2^30221130344 is an apocalyptic number.

It is an amenable number.

30221130344 is a deficient number, since it is larger than the sum of its proper divisors (26460704476).

30221130344 is a wasteful number, since it uses less digits than its factorization.

30221130344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147700 (or 1147696 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30221130344 its reverse (44303112203), we get a palindrome (74524242547).

The spelling of 30221130344 in words is "thirty billion, two hundred twenty-one million, one hundred thirty thousand, three hundred forty-four".