2133201131 has 4 divisors (see below), whose sum is σ = 2134935264. Its totient is φ = 2131467000.

The previous prime is 2133201127. The next prime is 2133201139. The reversal of 2133201131 is 1311023312.

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 2133201131 - 2² = 2133201127 is a prime.

It is a super-2 number, since 2×2133201131² = 9101094130599358322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133201139) 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 3 ways as a sum of consecutive naturals, for example, 865220 + ... + 867681.

It is an arithmetic number, because the mean of its divisors is an integer number (533733816).

Almost surely, 2^2133201131 is an apocalyptic number.

2133201131 is a deficient number, since it is larger than the sum of its proper divisors (1734133).

2133201131 is a wasteful number, since it uses less digits than its factorization.

2133201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734132.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2133201131 is about 46186.5903807588. The cubic root of 2133201131 is about 1287.2925872687.

Adding to 2133201131 its reverse (1311023312), we get a palindrome (3444224443).

The spelling of 2133201131 in words is "two billion, one hundred thirty-three million, two hundred one thousand, one hundred thirty-one".