30106230686 has 32 divisors (see below), whose sum is σ = 51833413632. Its totient is φ = 12847079520.

The previous prime is 30106230677. The next prime is 30106230701. The reversal of 30106230686 is 68603260103.

It is a super-2 number, since 2×30106230686² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4797731 + ... + 4804001.

It is an arithmetic number, because the mean of its divisors is an integer number (1619794176).

Almost surely, 2^30106230686 is an apocalyptic number.

30106230686 is a deficient number, since it is larger than the sum of its proper divisors (21727182946).

30106230686 is a wasteful number, since it uses less digits than its factorization.

30106230686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7704.

The product of its (nonzero) digits is 31104, while the sum is 35.

Adding to 30106230686 its reverse (68603260103), we get a palindrome (98709490789).

The spelling of 30106230686 in words is "thirty billion, one hundred six million, two hundred thirty thousand, six hundred eighty-six".