133030111 has 4 divisors (see below), whose sum is σ = 133172424. Its totient is φ = 132887800.

The previous prime is 133030109. The next prime is 133030127. The reversal of 133030111 is 111030331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 133030111 - 2¹ = 133030109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133030091 and 133030100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133030141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69745 + ... + 71626.

It is an arithmetic number, because the mean of its divisors is an integer number (33293106).

Almost surely, 2^133030111 is an apocalyptic number.

133030111 is a deficient number, since it is larger than the sum of its proper divisors (142313).

133030111 is an equidigital number, since it uses as much as digits as its factorization.

133030111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142312.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 133030111 is about 11533.8679982042. The cubic root of 133030111 is about 510.4853907615.

Adding to 133030111 its reverse (111030331), we get a palindrome (244060442).

The spelling of 133030111 in words is "one hundred thirty-three million, thirty thousand, one hundred eleven".