30161030111 has 4 divisors (see below), whose sum is σ = 30585833424. Its totient is φ = 29736226800.

The previous prime is 30161030093. The next prime is 30161030117. The reversal of 30161030111 is 11103016103.

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-30161030111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30161030111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30161030117) 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, 212401550 + ... + 212401691.

It is an arithmetic number, because the mean of its divisors is an integer number (7646458356).

Almost surely, 2^30161030111 is an apocalyptic number.

30161030111 is a deficient number, since it is larger than the sum of its proper divisors (424803313).

30161030111 is an equidigital number, since it uses as much as digits as its factorization.

30161030111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424803312.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 30161030111 its reverse (11103016103), we get a palindrome (41264046214).

The spelling of 30161030111 in words is "thirty billion, one hundred sixty-one million, thirty thousand, one hundred eleven".