30213232321 has 2 divisors, whose sum is σ = 30213232322. Its totient is φ = 30213232320.

The previous prime is 30213232267. The next prime is 30213232349. The reversal of 30213232321 is 12323231203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19450207296 + 10763025025 = 139464^2 + 103745^2 .

It is a cyclic number.

It is not a de Polignac number, because 30213232321 - 2²⁷ = 30079014593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30213232292 and 30213232301.

It is not a weakly prime, because it can be changed into another prime (30213232421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106616160 + 15106616161.

It is an arithmetic number, because the mean of its divisors is an integer number (15106616161).

Almost surely, 2^30213232321 is an apocalyptic number.

It is an amenable number.

30213232321 is a deficient number, since it is larger than the sum of its proper divisors (1).

30213232321 is an equidigital number, since it uses as much as digits as its factorization.

30213232321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30213232321 its reverse (12323231203), we get a palindrome (42536463524).

The spelling of 30213232321 in words is "thirty billion, two hundred thirteen million, two hundred thirty-two thousand, three hundred twenty-one".