30345218970 has 128 divisors (see below), whose sum is σ = 80151337728. Its totient is φ = 7291699200.

The previous prime is 30345218957. The next prime is 30345218989. The reversal of 30345218970 is 7981254303.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26317914 + ... + 26319066.

It is an arithmetic number, because the mean of its divisors is an integer number (626182326).

Almost surely, 2^30345218970 is an apocalyptic number.

30345218970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30345218970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40075668864).

30345218970 is an abundant number, since it is smaller than the sum of its proper divisors (49806118758).

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

30345218970 is a wasteful number, since it uses less digits than its factorization.

30345218970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 30345218970 in words is "thirty billion, three hundred forty-five million, two hundred eighteen thousand, nine hundred seventy".