133313011 has 8 divisors (see below), whose sum is σ = 145182240. Its totient is φ = 121674432.

The previous prime is 133312957. The next prime is 133313057. The reversal of 133313011 is 110313331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133313011 - 2⁹ = 133312499 is a prime.

It is a super-3 number, since 3×133313011³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133313311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56455 + ... + 58768.

It is an arithmetic number, because the mean of its divisors is an integer number (18147780).

Almost surely, 2^133313011 is an apocalyptic number.

133313011 is a deficient number, since it is larger than the sum of its proper divisors (11869229).

133313011 is a wasteful number, since it uses less digits than its factorization.

133313011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115325.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 133313011 is about 11546.1253674122. The cubic root of 133313011 is about 510.8469982840.

Adding to 133313011 its reverse (110313331), we get a palindrome (243626342).

The spelling of 133313011 in words is "one hundred thirty-three million, three hundred thirteen thousand, eleven".