2543323333231 has 2 divisors, whose sum is σ = 2543323333232. Its totient is φ = 2543323333230.

The previous prime is 2543323333123. The next prime is 2543323333267. The reversal of 2543323333231 is 1323333233452.

Together with previous prime (2543323333123) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2543323333231 - 2²⁷ = 2543189115503 is a prime.

It is a super-2 number, since 2×2543323333231² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2543323333931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271661666615 + 1271661666616.

It is an arithmetic number, because the mean of its divisors is an integer number (1271661666616).

Almost surely, 2^{2543323333231} is an apocalyptic number.

2543323333231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543323333231 is an equidigital number, since it uses as much as digits as its factorization.

2543323333231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 37.

Adding to 2543323333231 its reverse (1323333233452), we get a palindrome (3866656566683).

The spelling of 2543323333231 in words is "two trillion, five hundred forty-three billion, three hundred twenty-three million, three hundred thirty-three thousand, two hundred thirty-one".