2135224231 has 32 divisors (see below), whose sum is σ = 2623213568. Its totient is φ = 1699211520.

The previous prime is 2135224207. The next prime is 2135224243. The reversal of 2135224231 is 1324225312.

It is a cyclic number.

It is not a de Polignac number, because 2135224231 - 2⁹ = 2135223719 is a prime.

It is a super-2 number, since 2×2135224231² = 9118365033299082722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2135224196 and 2135224205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135224261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584296 + ... + 587938.

It is an arithmetic number, because the mean of its divisors is an integer number (81975424).

Almost surely, 2^2135224231 is an apocalyptic number.

2135224231 is a deficient number, since it is larger than the sum of its proper divisors (487989337).

2135224231 is a wasteful number, since it uses less digits than its factorization.

2135224231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791.

The product of its digits is 2880, while the sum is 25.

The square root of 2135224231 is about 46208.4865690276. The cubic root of 2135224231 is about 1287.6994091615.

Adding to 2135224231 its reverse (1324225312), we get a palindrome (3459449543).

The spelling of 2135224231 in words is "two billion, one hundred thirty-five million, two hundred twenty-four thousand, two hundred thirty-one".