30230223281 has 2 divisors, whose sum is σ = 30230223282. Its totient is φ = 30230223280.

The previous prime is 30230223269. The next prime is 30230223311. The reversal of 30230223281 is 18232203203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26055125056 + 4175098225 = 161416^2 + 64615^2 .

It is a cyclic number.

It is not a de Polignac number, because 30230223281 - 2⁶ = 30230223217 is a prime.

It is a super-2 number, since 2×30230223281² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30230223281.

It is not a weakly prime, because it can be changed into another prime (30230223211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115111640 + 15115111641.

It is an arithmetic number, because the mean of its divisors is an integer number (15115111641).

Almost surely, 2^30230223281 is an apocalyptic number.

It is an amenable number.

30230223281 is a deficient number, since it is larger than the sum of its proper divisors (1).

30230223281 is an equidigital number, since it uses as much as digits as its factorization.

30230223281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 30230223281 its reverse (18232203203), we get a palindrome (48462426484).

The spelling of 30230223281 in words is "thirty billion, two hundred thirty million, two hundred twenty-three thousand, two hundred eighty-one".