42113231413243 has 2 divisors, whose sum is σ = 42113231413244. Its totient is φ = 42113231413242.

The previous prime is 42113231413193. The next prime is 42113231413247. The reversal of 42113231413243 is 34231413231124.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42113231413243 - 2⁹ = 42113231412731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42113231413199 and 42113231413208.

It is not a weakly prime, because it can be changed into another prime (42113231413247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21056615706621 + 21056615706622.

It is an arithmetic number, because the mean of its divisors is an integer number (21056615706622).

Almost surely, 2^{42113231413243} is an apocalyptic number.

42113231413243 is a deficient number, since it is larger than the sum of its proper divisors (1).

42113231413243 is an equidigital number, since it uses as much as digits as its factorization.

42113231413243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 34.

Adding to 42113231413243 its reverse (34231413231124), we get a palindrome (76344644644367).

The spelling of 42113231413243 in words is "forty-two trillion, one hundred thirteen billion, two hundred thirty-one million, four hundred thirteen thousand, two hundred forty-three".