42047104313 has 2 divisors, whose sum is σ = 42047104314. Its totient is φ = 42047104312.

The previous prime is 42047104303. The next prime is 42047104349. The reversal of 42047104313 is 31340174024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34357217449 + 7689886864 = 185357^2 + 87692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42047104313 is a prime.

It is a super-2 number, since 2×42047104313² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42047104303) 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, 21023552156 + 21023552157.

It is an arithmetic number, because the mean of its divisors is an integer number (21023552157).

Almost surely, 2^42047104313 is an apocalyptic number.

It is an amenable number.

42047104313 is a deficient number, since it is larger than the sum of its proper divisors (1).

42047104313 is an equidigital number, since it uses as much as digits as its factorization.

42047104313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 42047104313 its reverse (31340174024), we get a palindrome (73387278337).

The spelling of 42047104313 in words is "forty-two billion, forty-seven million, one hundred four thousand, three hundred thirteen".