2236131897 has 16 divisors (see below), whose sum is σ = 3084337152. Its totient is φ = 1439548560.

The previous prime is 2236131883. The next prime is 2236131899. The reversal of 2236131897 is 7981316322.

It is not a de Polignac number, because 2236131897 - 2⁷ = 2236131769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2236131899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17688 + ... + 69174.

It is an arithmetic number, because the mean of its divisors is an integer number (192771072).

Almost surely, 2^2236131897 is an apocalyptic number.

It is an amenable number.

2236131897 is a deficient number, since it is larger than the sum of its proper divisors (848205255).

2236131897 is a wasteful number, since it uses less digits than its factorization.

2236131897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51988.

The product of its digits is 108864, while the sum is 42.

The square root of 2236131897 is about 47287.7563117558. The cubic root of 2236131897 is about 1307.6729460099.

The spelling of 2236131897 in words is "two billion, two hundred thirty-six million, one hundred thirty-one thousand, eight hundred ninety-seven".