30330223421 has 2 divisors, whose sum is σ = 30330223422. Its totient is φ = 30330223420.

The previous prime is 30330223409. The next prime is 30330223459. The reversal of 30330223421 is 12432203303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27551352196 + 2778871225 = 165986^2 + 52715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30330223421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30330213421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15165111710 + 15165111711.

It is an arithmetic number, because the mean of its divisors is an integer number (15165111711).

Almost surely, 2^30330223421 is an apocalyptic number.

It is an amenable number.

30330223421 is a deficient number, since it is larger than the sum of its proper divisors (1).

30330223421 is an equidigital number, since it uses as much as digits as its factorization.

30330223421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 30330223421 its reverse (12432203303), we get a palindrome (42762426724).

The spelling of 30330223421 in words is "thirty billion, three hundred thirty million, two hundred twenty-three thousand, four hundred twenty-one".