30013120032011 has 4 divisors (see below), whose sum is σ = 30229041759000. Its totient is φ = 29797198305024.

The previous prime is 30013120031989. The next prime is 30013120032017. The reversal of 30013120032011 is 11023002131003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30013120032011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30013120032017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107960863286 + ... + 107960863563.

It is an arithmetic number, because the mean of its divisors is an integer number (7557260439750).

Almost surely, 2^{30013120032011} is an apocalyptic number.

30013120032011 is a deficient number, since it is larger than the sum of its proper divisors (215921726989).

30013120032011 is a wasteful number, since it uses less digits than its factorization.

30013120032011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215921726988.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30013120032011 its reverse (11023002131003), we get a palindrome (41036122163014).

The spelling of 30013120032011 in words is "thirty trillion, thirteen billion, one hundred twenty million, thirty-two thousand, eleven".