30313439728 has 40 divisors (see below), whose sum is σ = 69000177456. Its totient is φ = 12718924800.

The previous prime is 30313439707. The next prime is 30313439773. The reversal of 30313439728 is 82793431303.

It is a super-3 number, since 3×30313439728³ (a number of 32 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (43) 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 7 ways as a sum of consecutive naturals, for example, 6622153 + ... + 6626728.

Almost surely, 2^30313439728 is an apocalyptic number.

It is an amenable number.

30313439728 is an abundant number, since it is smaller than the sum of its proper divisors (38686737728).

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

30313439728 is a wasteful number, since it uses less digits than its factorization.

30313439728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13248913 (or 13248907 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 30313439728 in words is "thirty billion, three hundred thirteen million, four hundred thirty-nine thousand, seven hundred twenty-eight".