30241022721 has 32 divisors (see below), whose sum is σ = 50639097600. Its totient is φ = 15951301632.

The previous prime is 30241022717. The next prime is 30241022759. The reversal of 30241022721 is 12722014203.

It is not a de Polignac number, because 30241022721 - 2² = 30241022717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30241022691 and 30241022700.

It is not an unprimeable number, because it can be changed into a prime (30241022711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1116960 + ... + 1143713.

It is an arithmetic number, because the mean of its divisors is an integer number (1582471800).

Almost surely, 2^30241022721 is an apocalyptic number.

It is an amenable number.

30241022721 is a deficient number, since it is larger than the sum of its proper divisors (20398074879).

30241022721 is a wasteful number, since it uses less digits than its factorization.

30241022721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260710 (or 2260696 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

Adding to 30241022721 its reverse (12722014203), we get a palindrome (42963036924).

The spelling of 30241022721 in words is "thirty billion, two hundred forty-one million, twenty-two thousand, seven hundred twenty-one".