30221023087433 has 2 divisors, whose sum is σ = 30221023087434. Its totient is φ = 30221023087432.

The previous prime is 30221023087417. The next prime is 30221023087439. The reversal of 30221023087433 is 33478032012203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25833351353104 + 4387671734329 = 5082652^2 + 2094677^2 .

It is a cyclic number.

It is not a de Polignac number, because 30221023087433 - 2⁴ = 30221023087417 is a prime.

It is not a weakly prime, because it can be changed into another prime (30221023087439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110511543716 + 15110511543717.

It is an arithmetic number, because the mean of its divisors is an integer number (15110511543717).

Almost surely, 2^{30221023087433} is an apocalyptic number.

It is an amenable number.

30221023087433 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221023087433 is an equidigital number, since it uses as much as digits as its factorization.

30221023087433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 38.

Adding to 30221023087433 its reverse (33478032012203), we get a palindrome (63699055099636).

The spelling of 30221023087433 in words is "thirty trillion, two hundred twenty-one billion, twenty-three million, eighty-seven thousand, four hundred thirty-three".