2140324231 has 2 divisors, whose sum is σ = 2140324232. Its totient is φ = 2140324230.

The previous prime is 2140324223. The next prime is 2140324247. The reversal of 2140324231 is 1324230412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2140324231 - 2³ = 2140324223 is a prime.

It is a super-2 number, since 2×2140324231² = 9161975627611482722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140324201) 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 as a sum of consecutive naturals, namely, 1070162115 + 1070162116.

It is an arithmetic number, because the mean of its divisors is an integer number (1070162116).

Almost surely, 2^2140324231 is an apocalyptic number.

2140324231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140324231 is an equidigital number, since it uses as much as digits as its factorization.

2140324231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2140324231 is about 46263.6383242823. The cubic root of 2140324231 is about 1288.7238207373.

Adding to 2140324231 its reverse (1324230412), we get a palindrome (3464554643).

The spelling of 2140324231 in words is "two billion, one hundred forty million, three hundred twenty-four thousand, two hundred thirty-one".