30430134124340 has 48 divisors (see below), whose sum is σ = 66049226433792. Its totient is φ = 11769542745216.

The previous prime is 30430134124333. The next prime is 30430134124343. The reversal of 30430134124340 is 4342143103403.

It is a junction number, because it is equal to n+sod(n) for n = 30430134124297 and 30430134124306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30430134124343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194936939 + ... + 195092978.

It is an arithmetic number, because the mean of its divisors is an integer number (1376025550704).

Almost surely, 2^{30430134124340} is an apocalyptic number.

It is an amenable number.

30430134124340 is an abundant number, since it is smaller than the sum of its proper divisors (35619092309452).

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

30430134124340 is a wasteful number, since it uses less digits than its factorization.

30430134124340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390030056 (or 390030054 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 30430134124340 its reverse (4342143103403), we get a palindrome (34772277227743).

The spelling of 30430134124340 in words is "thirty trillion, four hundred thirty billion, one hundred thirty-four million, one hundred twenty-four thousand, three hundred forty".