42143452313 has 2 divisors, whose sum is σ = 42143452314. Its totient is φ = 42143452312.

The previous prime is 42143452301. The next prime is 42143452327. The reversal of 42143452313 is 31325434124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37338605824 + 4804846489 = 193232^2 + 69317^2 .

It is a cyclic number.

It is not a de Polignac number, because 42143452313 - 2⁶ = 42143452249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42143452313.

It is not a weakly prime, because it can be changed into another prime (42143452363) 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, 21071726156 + 21071726157.

It is an arithmetic number, because the mean of its divisors is an integer number (21071726157).

Almost surely, 2^42143452313 is an apocalyptic number.

It is an amenable number.

42143452313 is a deficient number, since it is larger than the sum of its proper divisors (1).

42143452313 is an equidigital number, since it uses as much as digits as its factorization.

42143452313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 32.

Adding to 42143452313 its reverse (31325434124), we get a palindrome (73468886437).

The spelling of 42143452313 in words is "forty-two billion, one hundred forty-three million, four hundred fifty-two thousand, three hundred thirteen".