30304232223021 has 20 divisors (see below), whose sum is σ = 45269581736764. Its totient is φ = 20202689131200.

The previous prime is 30304232222987. The next prime is 30304232223037. The reversal of 30304232223021 is 12032223240303.

30304232223021 is a `hidden beast` number, since 3 + 0 + 3 + 0 + 423 + 2 + 2 + 230 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10741258992996 + 19562973230025 = 3277386^2 + 4423005^2 .

It is not a de Polignac number, because 30304232223021 - 2¹¹ = 30304232220973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30304232223121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12104751 + ... + 14392131.

Almost surely, 2^{30304232223021} is an apocalyptic number.

It is an amenable number.

30304232223021 is a deficient number, since it is larger than the sum of its proper divisors (14965349513743).

30304232223021 is a wasteful number, since it uses less digits than its factorization.

30304232223021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450954 (or 2450945 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 30304232223021 its reverse (12032223240303), we get a palindrome (42336455463324).

The spelling of 30304232223021 in words is "thirty trillion, three hundred four billion, two hundred thirty-two million, two hundred twenty-three thousand, twenty-one".