30810133128 has 32 divisors (see below), whose sum is σ = 77030696160. Its totient is φ = 10269329280.

The previous prime is 30810133117. The next prime is 30810133139. The reversal of 30810133128 is 82133101803.

It is an interprime number because it is at equal distance from previous prime (30810133117) and next prime (30810133139).

It is a junction number, because it is equal to n+sod(n) for n = 30810133095 and 30810133104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395743 + ... + 467153.

It is an arithmetic number, because the mean of its divisors is an integer number (2407209255).

Almost surely, 2^30810133128 is an apocalyptic number.

It is an amenable number.

30810133128 is an abundant number, since it is smaller than the sum of its proper divisors (46220563032).

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

30810133128 is a wasteful number, since it uses less digits than its factorization.

30810133128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89397 (or 89393 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 30810133128 in words is "thirty billion, eight hundred ten million, one hundred thirty-three thousand, one hundred twenty-eight".