13431022103243 has 2 divisors, whose sum is σ = 13431022103244. Its totient is φ = 13431022103242.

The previous prime is 13431022103207. The next prime is 13431022103281. The reversal of 13431022103243 is 34230122013431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13431022103243 - 2⁸ = 13431022102987 is a prime.

It is a super-2 number, since 2×13431022103243² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13431022103203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715511051621 + 6715511051622.

It is an arithmetic number, because the mean of its divisors is an integer number (6715511051622).

Almost surely, 2^{13431022103243} is an apocalyptic number.

13431022103243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13431022103243 is an equidigital number, since it uses as much as digits as its factorization.

13431022103243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 13431022103243 its reverse (34230122013431), we get a palindrome (47661144116674).

The spelling of 13431022103243 in words is "thirteen trillion, four hundred thirty-one billion, twenty-two million, one hundred three thousand, two hundred forty-three".