30309197428 has 12 divisors (see below), whose sum is σ = 53161921120. Its totient is φ = 15120077112.

The previous prime is 30309197411. The next prime is 30309197467. The reversal of 30309197428 is 82479190303.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 8628426 + ... + 8631937.

Almost surely, 2^30309197428 is an apocalyptic number.

It is an amenable number.

30309197428 is a deficient number, since it is larger than the sum of its proper divisors (22852723692).

30309197428 is a wasteful number, since it uses less digits than its factorization.

30309197428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17260806 (or 17260804 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 30309197428 in words is "thirty billion, three hundred nine million, one hundred ninety-seven thousand, four hundred twenty-eight".