30934861128 has 48 divisors (see below), whose sum is σ = 85825385100. Its totient is φ = 10060116480.

The previous prime is 30934861127. The next prime is 30934861147. The reversal of 30934861128 is 82116843903.

30934861128 is a `hidden beast` number, since 3 + 0 + 9 + 3 + 4 + 8 + 611 + 28 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30933070884 + 1790244 = 175878^2 + 1338^2 .

It is not an unprimeable number, because it can be changed into a prime (30934861127) 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 11 ways as a sum of consecutive naturals, for example, 5236693 + ... + 5242596.

Almost surely, 2^30934861128 is an apocalyptic number.

It is an amenable number.

30934861128 is an abundant number, since it is smaller than the sum of its proper divisors (54890523972).

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

30934861128 is a wasteful number, since it uses less digits than its factorization.

30934861128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10479342 (or 10479335 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 30934861128 in words is "thirty billion, nine hundred thirty-four million, eight hundred sixty-one thousand, one hundred twenty-eight".