2152134231 has 16 divisors (see below), whose sum is σ = 3101747040. Its totient is φ = 1319460480.

The previous prime is 2152134217. The next prime is 2152134241. The reversal of 2152134231 is 1324312512.

It is not a de Polignac number, because 2152134231 - 2¹¹ = 2152132183 is a prime.

It is a super-2 number, since 2×2152134231² = 9263363496483922722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152134241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92080 + ... + 113061.

It is an arithmetic number, because the mean of its divisors is an integer number (193859190).

Almost surely, 2^2152134231 is an apocalyptic number.

2152134231 is a deficient number, since it is larger than the sum of its proper divisors (949612809).

2152134231 is a wasteful number, since it uses less digits than its factorization.

2152134231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205426.

The product of its digits is 1440, while the sum is 24.

The square root of 2152134231 is about 46391.1007737475. The cubic root of 2152134231 is about 1291.0898049804.

Adding to 2152134231 its reverse (1324312512), we get a palindrome (3476446743).

The spelling of 2152134231 in words is "two billion, one hundred fifty-two million, one hundred thirty-four thousand, two hundred thirty-one".