2543732231 has 4 divisors (see below), whose sum is σ = 2578577952. Its totient is φ = 2508886512.

The previous prime is 2543732183. The next prime is 2543732239. The reversal of 2543732231 is 1322373452.

It is a happy number.

2543732231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2543732231 - 2¹⁸ = 2543470087 is a prime.

It is a super-2 number, since 2×2543732231² = 12941147326056474722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543732239) 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, 17422751 + ... + 17422896.

It is an arithmetic number, because the mean of its divisors is an integer number (644644488).

Almost surely, 2^2543732231 is an apocalyptic number.

2543732231 is a deficient number, since it is larger than the sum of its proper divisors (34845721).

2543732231 is an equidigital number, since it uses as much as digits as its factorization.

2543732231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34845720.

The product of its digits is 30240, while the sum is 32.

The square root of 2543732231 is about 50435.4263489464. The cubic root of 2543732231 is about 1365.0769421758.

The spelling of 2543732231 in words is "two billion, five hundred forty-three million, seven hundred thirty-two thousand, two hundred thirty-one".