133030011 has 4 divisors (see below), whose sum is σ = 177373352. Its totient is φ = 88686672.

The previous prime is 133029979. The next prime is 133030019. The reversal of 133030011 is 110030331.

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

It is not a de Polignac number, because 133030011 - 2⁵ = 133029979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133030019) 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, 22171666 + ... + 22171671.

It is an arithmetic number, because the mean of its divisors is an integer number (44343338).

Almost surely, 2^133030011 is an apocalyptic number.

133030011 is a deficient number, since it is larger than the sum of its proper divisors (44343341).

133030011 is an equidigital number, since it uses as much as digits as its factorization.

133030011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44343340.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 133030011 is about 11533.8636631443. The cubic root of 133030011 is about 510.4852628493.

Adding to 133030011 its reverse (110030331), we get a palindrome (243060342).

The spelling of 133030011 in words is "one hundred thirty-three million, thirty thousand, eleven".