30918242130 has 32 divisors (see below), whose sum is σ = 74220050304. Its totient is φ = 8243056896.

The previous prime is 30918242093. The next prime is 30918242143. The reversal of 30918242130 is 3124281903.

It is a junction number, because it is equal to n+sod(n) for n = 30918242091 and 30918242100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29059 + ... + 250361.

It is an arithmetic number, because the mean of its divisors is an integer number (2319376572).

Almost surely, 2^30918242130 is an apocalyptic number.

30918242130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30918242130 is an abundant number, since it is smaller than the sum of its proper divisors (43301808174).

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

30918242130 is a wasteful number, since it uses less digits than its factorization.

30918242130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225970.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 30918242130 in words is "thirty billion, nine hundred eighteen million, two hundred forty-two thousand, one hundred thirty".