104242343081 has 2 divisors, whose sum is σ = 104242343082. Its totient is φ = 104242343080.

The previous prime is 104242343069. The next prime is 104242343111. The reversal of 104242343081 is 180343242401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90012000400 + 14230342681 = 300020^2 + 119291^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104242343081 is a prime.

It is a super-2 number, since 2×104242343081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104242343041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52121171540 + 52121171541.

It is an arithmetic number, because the mean of its divisors is an integer number (52121171541).

Almost surely, 2^104242343081 is an apocalyptic number.

It is an amenable number.

104242343081 is a deficient number, since it is larger than the sum of its proper divisors (1).

104242343081 is an equidigital number, since it uses as much as digits as its factorization.

104242343081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 104242343081 its reverse (180343242401), we get a palindrome (284585585482).

The spelling of 104242343081 in words is "one hundred four billion, two hundred forty-two million, three hundred forty-three thousand, eighty-one".