30031310085 has 16 divisors (see below), whose sum is σ = 54914395776. Its totient is φ = 13728598848.

The previous prime is 30031310081. The next prime is 30031310087. The reversal of 30031310085 is 58001313003.

It is not a de Polignac number, because 30031310085 - 2² = 30031310081 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031310081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143006134 + ... + 143006343.

It is an arithmetic number, because the mean of its divisors is an integer number (3432149736).

Almost surely, 2^30031310085 is an apocalyptic number.

30031310085 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30031310085 is a deficient number, since it is larger than the sum of its proper divisors (24883085691).

30031310085 is a wasteful number, since it uses less digits than its factorization.

30031310085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286012492.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 30031310085 its reverse (58001313003), we get a palindrome (88032623088).

The spelling of 30031310085 in words is "thirty billion, thirty-one million, three hundred ten thousand, eighty-five".