30430323421420 has 192 divisors, whose sum is σ = 69737532883200. Its totient is φ = 11087073054720.

The previous prime is 30430323421391. The next prime is 30430323421451. The reversal of 30430323421420 is 2412432303403.

It is a happy number.

It is a super-2 number, since 2×30430323421420² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6198881926 + ... + 6198886834.

It is an arithmetic number, because the mean of its divisors is an integer number (363216317100).

Almost surely, 2^{30430323421420} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30430323421420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34868766441600).

30430323421420 is an abundant number, since it is smaller than the sum of its proper divisors (39307209461780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30430323421420 is a wasteful number, since it uses less digits than its factorization.

30430323421420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6108 (or 6106 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 30430323421420 its reverse (2412432303403), we get a palindrome (32842755724823).

The spelling of 30430323421420 in words is "thirty trillion, four hundred thirty billion, three hundred twenty-three million, four hundred twenty-one thousand, four hundred twenty".