30213853909218 has 192 divisors, whose sum is σ = 76446052300800. Its totient is φ = 8446261340160.

The previous prime is 30213853909201. The next prime is 30213853909223. The reversal of 30213853909218 is 81290935831203.

30213853909218 is a `hidden beast` number, since 3 + 0 + 2 + 1 + 3 + 8 + 539 + 0 + 92 + 18 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5425361538 + ... + 5425367106.

It is an arithmetic number, because the mean of its divisors is an integer number (398156522400).

Almost surely, 2^{30213853909218} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30213853909218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38223026150400).

30213853909218 is an abundant number, since it is smaller than the sum of its proper divisors (46232198391582).

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

30213853909218 is a wasteful number, since it uses less digits than its factorization.

30213853909218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10157 (or 10154 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 30213853909218 in words is "thirty trillion, two hundred thirteen billion, eight hundred fifty-three million, nine hundred nine thousand, two hundred eighteen".