2542302331243 has 2 divisors, whose sum is σ = 2542302331244. Its totient is φ = 2542302331242.

The previous prime is 2542302331213. The next prime is 2542302331267. The reversal of 2542302331243 is 3421332032452.

2542302331243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2542302331243 is a prime.

It is a super-2 number, since 2×2542302331243² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2542302331199 and 2542302331208.

It is not a weakly prime, because it can be changed into another prime (2542302331213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271151165621 + 1271151165622.

It is an arithmetic number, because the mean of its divisors is an integer number (1271151165622).

Almost surely, 2^{2542302331243} is an apocalyptic number.

2542302331243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542302331243 is an equidigital number, since it uses as much as digits as its factorization.

2542302331243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 2542302331243 its reverse (3421332032452), we get a palindrome (5963634363695).

The spelling of 2542302331243 in words is "two trillion, five hundred forty-two billion, three hundred two million, three hundred thirty-one thousand, two hundred forty-three".