30671128680 has 128 divisors (see below), whose sum is σ = 98880497280. Its totient is φ = 7582924800.

The previous prime is 30671128667. The next prime is 30671128703. The reversal of 30671128680 is 8682117603.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24480 + ... + 248880.

It is an arithmetic number, because the mean of its divisors is an integer number (772503885).

Almost surely, 2^30671128680 is an apocalyptic number.

30671128680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30671128680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49440248640).

30671128680 is an abundant number, since it is smaller than the sum of its proper divisors (68209368600).

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

30671128680 is a wasteful number, since it uses less digits than its factorization.

30671128680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224499 (or 224495 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 30671128680 in words is "thirty billion, six hundred seventy-one million, one hundred twenty-eight thousand, six hundred eighty".