30430411421 has 2 divisors, whose sum is σ = 30430411422. Its totient is φ = 30430411420.

The previous prime is 30430411373. The next prime is 30430411439. The reversal of 30430411421 is 12411403403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24810660196 + 5619751225 = 157514^2 + 74965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30430411421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30430410421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15215205710 + 15215205711.

It is an arithmetic number, because the mean of its divisors is an integer number (15215205711).

Almost surely, 2^30430411421 is an apocalyptic number.

It is an amenable number.

30430411421 is a deficient number, since it is larger than the sum of its proper divisors (1).

30430411421 is an equidigital number, since it uses as much as digits as its factorization.

30430411421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 30430411421 its reverse (12411403403), we get a palindrome (42841814824).

The spelling of 30430411421 in words is "thirty billion, four hundred thirty million, four hundred eleven thousand, four hundred twenty-one".