30231301986 has 24 divisors (see below), whose sum is σ = 65593567260. Its totient is φ = 10062883296.

The previous prime is 30231301963. The next prime is 30231301999. The reversal of 30231301986 is 68910313203.

30231301986 is a `hidden beast` number, since 30 + 231 + 301 + 98 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29732449761 + 498852225 = 172431^2 + 22335^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30231301986.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1171665 + ... + 1197188.

Almost surely, 2^30231301986 is an apocalyptic number.

30231301986 is an abundant number, since it is smaller than the sum of its proper divisors (35362265274).

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

30231301986 is a wasteful number, since it uses less digits than its factorization.

30231301986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369570 (or 2369567 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 30231301986 in words is "thirty billion, two hundred thirty-one million, three hundred one thousand, nine hundred eighty-six".