30403430120 has 32 divisors (see below), whose sum is σ = 78180249600. Its totient is φ = 10424033088.

The previous prime is 30403430111. The next prime is 30403430129. The reversal of 30403430120 is 2103430403.

It is an interprime number because it is at equal distance from previous prime (30403430111) and next prime (30403430129).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30403430092 and 30403430101.

It is not an unprimeable number, because it can be changed into a prime (30403430129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54291560 + ... + 54292119.

It is an arithmetic number, because the mean of its divisors is an integer number (2443132800).

Almost surely, 2^30403430120 is an apocalyptic number.

It is an amenable number.

30403430120 is an abundant number, since it is smaller than the sum of its proper divisors (47776819480).

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

30403430120 is a wasteful number, since it uses less digits than its factorization.

30403430120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108583697 (or 108583693 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30403430120 its reverse (2103430403), we get a palindrome (32506860523).

The spelling of 30403430120 in words is "thirty billion, four hundred three million, four hundred thirty thousand, one hundred twenty".