30834256120 has 32 divisors (see below), whose sum is σ = 69416060400. Its totient is φ = 12326771968.

The previous prime is 30834256109. The next prime is 30834256127. The reversal of 30834256120 is 2165243803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30834256127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144205 + ... + 287164.

Almost surely, 2^30834256120 is an apocalyptic number.

It is an amenable number.

30834256120 is an abundant number, since it is smaller than the sum of its proper divisors (38581804280).

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

30834256120 is a wasteful number, since it uses less digits than its factorization.

30834256120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433167 (or 433163 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 30834256120 its reverse (2165243803), we get a palindrome (32999499923).

The spelling of 30834256120 in words is "thirty billion, eight hundred thirty-four million, two hundred fifty-six thousand, one hundred twenty".