30351212434 has 32 divisors (see below), whose sum is σ = 47078236800. Its totient is φ = 14666117760.

The previous prime is 30351212417. The next prime is 30351212449. The reversal of 30351212434 is 43421215303.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3944539 + ... + 3952225.

It is an arithmetic number, because the mean of its divisors is an integer number (1471194900).

Almost surely, 2^30351212434 is an apocalyptic number.

30351212434 is a deficient number, since it is larger than the sum of its proper divisors (16727024366).

30351212434 is a wasteful number, since it uses less digits than its factorization.

30351212434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8178.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 30351212434 its reverse (43421215303), we get a palindrome (73772427737).

The spelling of 30351212434 in words is "thirty billion, three hundred fifty-one million, two hundred twelve thousand, four hundred thirty-four".