2140132231 has 4 divisors (see below), whose sum is σ = 2189902792. Its totient is φ = 2090361672.

The previous prime is 2140132229. The next prime is 2140132301. The reversal of 2140132231 is 1322310412.

It is a happy number.

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 2140132231 - 2¹ = 2140132229 is a prime.

It is a super-2 number, since 2×2140132231² = 9160331932330074722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2140132199 and 2140132208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140132331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24885216 + ... + 24885301.

It is an arithmetic number, because the mean of its divisors is an integer number (547475698).

Almost surely, 2^2140132231 is an apocalyptic number.

2140132231 is a deficient number, since it is larger than the sum of its proper divisors (49770561).

2140132231 is an equidigital number, since it uses as much as digits as its factorization.

2140132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49770560.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2140132231 is about 46261.5632139685. The cubic root of 2140132231 is about 1288.6852841503.

Adding to 2140132231 its reverse (1322310412), we get a palindrome (3462442643).

The spelling of 2140132231 in words is "two billion, one hundred forty million, one hundred thirty-two thousand, two hundred thirty-one".