30312010206 has 12 divisors (see below), whose sum is σ = 65676022152. Its totient is φ = 10104003396.

The previous prime is 30312010193. The next prime is 30312010207. The reversal of 30312010206 is 60201021303.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1684000567 = 30312010206 / (3 + 0 + 3 + 1 + 2 + 0 + 1 + 0 + 2 + 0 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30312010207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 842000266 + ... + 842000301.

It is an arithmetic number, because the mean of its divisors is an integer number (5473001846).

Almost surely, 2^30312010206 is an apocalyptic number.

30312010206 is an abundant number, since it is smaller than the sum of its proper divisors (35364011946).

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

30312010206 is a wasteful number, since it uses less digits than its factorization.

30312010206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684000575 (or 1684000572 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30312010206 its reverse (60201021303), we get a palindrome (90513031509).

The spelling of 30312010206 in words is "thirty billion, three hundred twelve million, ten thousand, two hundred six".