180030101 has 4 divisors (see below), whose sum is σ = 180169152. Its totient is φ = 179891052.

The previous prime is 180030091. The next prime is 180030143. The reversal of 180030101 is 101030081.

180030101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 180030101 - 2¹⁰ = 180029077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180030161) 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, 67565 + ... + 70178.

It is an arithmetic number, because the mean of its divisors is an integer number (45042288).

Almost surely, 2^180030101 is an apocalyptic number.

It is an amenable number.

180030101 is a deficient number, since it is larger than the sum of its proper divisors (139051).

180030101 is a wasteful number, since it uses less digits than its factorization.

180030101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139050.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 180030101 is about 13417.5296161402. The cubic root of 180030101 is about 564.6530890472.

Adding to 180030101 its reverse (101030081), we get a palindrome (281060182).

The spelling of 180030101 in words is "one hundred eighty million, thirty thousand, one hundred one".