30875101992 has 512 divisors, whose sum is σ = 109498368000. Its totient is φ = 7860602880.

The previous prime is 30875101991. The next prime is 30875102021. The reversal of 30875101992 is 29910157803.

30875101992 is a `hidden beast` number, since 30 + 8 + 7 + 510 + 19 + 92 = 666.

It is not an unprimeable number, because it can be changed into a prime (30875101991) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 32950548 + ... + 32951484.

It is an arithmetic number, because the mean of its divisors is an integer number (213864000).

Almost surely, 2^30875101992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30875101992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54749184000).

30875101992 is an abundant number, since it is smaller than the sum of its proper divisors (78623266008).

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

30875101992 is a wasteful number, since it uses less digits than its factorization.

30875101992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 30875101992 in words is "thirty billion, eight hundred seventy-five million, one hundred one thousand, nine hundred ninety-two".