30023241221 has 16 divisors (see below), whose sum is σ = 32586980400. Its totient is φ = 27556835328.

The previous prime is 30023241203. The next prime is 30023241239. The reversal of 30023241221 is 12214232003.

It is an interprime number because it is at equal distance from previous prime (30023241203) and next prime (30023241239).

It can be written as a sum of positive squares in 8 ways, for example, as 1296720100 + 28726521121 = 36010^2 + 169489^2 .

It is a cyclic number.

It is not a de Polignac number, because 30023241221 - 2¹⁴ = 30023224837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30023241193 and 30023241202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30023241271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25466 + ... + 246363.

It is an arithmetic number, because the mean of its divisors is an integer number (2036686275).

Almost surely, 2^30023241221 is an apocalyptic number.

It is an amenable number.

30023241221 is a deficient number, since it is larger than the sum of its proper divisors (2563739179).

30023241221 is a wasteful number, since it uses less digits than its factorization.

30023241221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272008.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30023241221 its reverse (12214232003), we get a palindrome (42237473224).

The spelling of 30023241221 in words is "thirty billion, twenty-three million, two hundred forty-one thousand, two hundred twenty-one".