42030243313 has 2 divisors, whose sum is σ = 42030243314. Its totient is φ = 42030243312.

The previous prime is 42030243253. The next prime is 42030243337. The reversal of 42030243313 is 31334203024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37520852209 + 4509391104 = 193703^2 + 67152^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42030243313 is a prime.

It is not a weakly prime, because it can be changed into another prime (42030243383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21015121656 + 21015121657.

It is an arithmetic number, because the mean of its divisors is an integer number (21015121657).

Almost surely, 2^42030243313 is an apocalyptic number.

It is an amenable number.

42030243313 is a deficient number, since it is larger than the sum of its proper divisors (1).

42030243313 is an equidigital number, since it uses as much as digits as its factorization.

42030243313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 42030243313 its reverse (31334203024), we get a palindrome (73364446337).

The spelling of 42030243313 in words is "forty-two billion, thirty million, two hundred forty-three thousand, three hundred thirteen".