30220000231 has 4 divisors (see below), whose sum is σ = 31036757032. Its totient is φ = 29403243432.

The previous prime is 30220000211. The next prime is 30220000253. The reversal of 30220000231 is 13200002203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13200002203 = 313 ⋅42172531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30220000231 is a prime.

It is a super-2 number, since 2×30220000231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220000211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408378345 + ... + 408378418.

It is an arithmetic number, because the mean of its divisors is an integer number (7759189258).

Almost surely, 2^30220000231 is an apocalyptic number.

30220000231 is a deficient number, since it is larger than the sum of its proper divisors (816756801).

30220000231 is an equidigital number, since it uses as much as digits as its factorization.

30220000231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816756800.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30220000231 its reverse (13200002203), we get a palindrome (43420002434).

The spelling of 30220000231 in words is "thirty billion, two hundred twenty million, two hundred thirty-one", and thus it is an aban number.