133016311 has 4 divisors (see below), whose sum is σ = 133146112. Its totient is φ = 132886512.

The previous prime is 133016309. The next prime is 133016327. The reversal of 133016311 is 113610331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113610331 = 3089 ⋅36779.

It is a cyclic number.

It is not a de Polignac number, because 133016311 - 2¹ = 133016309 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 (133016911) 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, 63351 + ... + 65416.

It is an arithmetic number, because the mean of its divisors is an integer number (33286528).

Almost surely, 2^133016311 is an apocalyptic number.

133016311 is a deficient number, since it is larger than the sum of its proper divisors (129801).

133016311 is a wasteful number, since it uses less digits than its factorization.

133016311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129800.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 133016311 is about 11533.2697445261. The cubic root of 133016311 is about 510.4677382618.

Adding to 133016311 its reverse (113610331), we get a palindrome (246626642).

The spelling of 133016311 in words is "one hundred thirty-three million, sixteen thousand, three hundred eleven".