306085109143 has 4 divisors (see below), whose sum is σ = 333911028168. Its totient is φ = 278259190120.

The previous prime is 306085109137. The next prime is 306085109171. The reversal of 306085109143 is 341901580603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341901580603 = 11 ⋅31081961873.

It is a cyclic number.

It is not a de Polignac number, because 306085109143 - 2²¹ = 306083011991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 306085109096 and 306085109105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306085119143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13912959496 + ... + 13912959517.

It is an arithmetic number, because the mean of its divisors is an integer number (83477757042).

Almost surely, 2^306085109143 is an apocalyptic number.

306085109143 is a deficient number, since it is larger than the sum of its proper divisors (27825919025).

306085109143 is a wasteful number, since it uses less digits than its factorization.

306085109143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27825919024.

The product of its (nonzero) digits is 77760, while the sum is 40.

Adding to 306085109143 its reverse (341901580603), we get a palindrome (647986689746).

The spelling of 306085109143 in words is "three hundred six billion, eighty-five million, one hundred nine thousand, one hundred forty-three".