30113302221 has 24 divisors (see below), whose sum is σ = 44739297720. Its totient is φ = 19503783936.

The previous prime is 30113302183. The next prime is 30113302229. The reversal of 30113302221 is 12220331103.

30113302221 is a `hidden beast` number, since 30 + 113 + 302 + 221 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8005775625 + 22107526596 = 89475^2 + 148686^2 .

It is not a de Polignac number, because 30113302221 - 2³⁰ = 29039560397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30113302194 and 30113302203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30113302229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156925 + ... + 291293.

It is an arithmetic number, because the mean of its divisors is an integer number (1864137405).

Almost surely, 2^30113302221 is an apocalyptic number.

It is an amenable number.

30113302221 is a deficient number, since it is larger than the sum of its proper divisors (14625995499).

30113302221 is a wasteful number, since it uses less digits than its factorization.

30113302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135085 (or 135082 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30113302221 its reverse (12220331103), we get a palindrome (42333633324).

The spelling of 30113302221 in words is "thirty billion, one hundred thirteen million, three hundred two thousand, two hundred twenty-one".