30220012231 has 4 divisors (see below), whose sum is σ = 30513410512. Its totient is φ = 29926613952.

The previous prime is 30220012217. The next prime is 30220012261. The reversal of 30220012231 is 13221002203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13221002203 = 199 ⋅66437197.

It is a cyclic number.

It is not a de Polignac number, because 30220012231 - 2⁷ = 30220012103 is a prime.

It is a super-2 number, since 2×30220012231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220012261) 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, 146698986 + ... + 146699191.

It is an arithmetic number, because the mean of its divisors is an integer number (7628352628).

Almost surely, 2^30220012231 is an apocalyptic number.

30220012231 is a deficient number, since it is larger than the sum of its proper divisors (293398281).

30220012231 is a wasteful number, since it uses less digits than its factorization.

30220012231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293398280.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30220012231 its reverse (13221002203), we get a palindrome (43441014434).

The spelling of 30220012231 in words is "thirty billion, two hundred twenty million, twelve thousand, two hundred thirty-one".