30312102011 has 16 divisors (see below), whose sum is σ = 31337729280. Its totient is φ = 29308482720.

The previous prime is 30312101959. The next prime is 30312102047. The reversal of 30312102011 is 11020121303.

It is a cyclic number.

It is not a de Polignac number, because 30312102011 - 2²⁶ = 30244993147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30312102511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762026 + ... + 800816.

It is an arithmetic number, because the mean of its divisors is an integer number (1958608080).

Almost surely, 2^30312102011 is an apocalyptic number.

30312102011 is a deficient number, since it is larger than the sum of its proper divisors (1025627269).

30312102011 is a wasteful number, since it uses less digits than its factorization.

30312102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39074.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30312102011 its reverse (11020121303), we get a palindrome (41332223314).

The spelling of 30312102011 in words is "thirty billion, three hundred twelve million, one hundred two thousand, eleven".