30000311219988 has 18 divisors (see below), whose sum is σ = 75834120028394. Its totient is φ = 10000103739984.

The previous prime is 30000311219969. The next prime is 30000311220067. The reversal of 30000311219988 is 88991211300003.

30000311219988 is a `hidden beast` number, since 30 + 0 + 0 + 0 + 311 + 219 + 98 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21615916101264 + 8384395118724 = 4649292^2 + 2895582^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×30000311219988² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 416670989131 + ... + 416670989202.

Almost surely, 2^{30000311219988} is an apocalyptic number.

It is an amenable number.

30000311219988 is an abundant number, since it is smaller than the sum of its proper divisors (45833808808406).

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

30000311219988 is a wasteful number, since it uses less digits than its factorization.

30000311219988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833341978343 (or 833341978338 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 30000311219988 in words is "thirty trillion, three hundred eleven million, two hundred nineteen thousand, nine hundred eighty-eight".