306371040019 has 4 divisors (see below), whose sum is σ = 334222952760. Its totient is φ = 278519127280.

The previous prime is 306371040013. The next prime is 306371040043. The reversal of 306371040019 is 910040173603.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 306371040019 - 2¹⁵ = 306371007251 is a prime.

It is a super-2 number, since 2×306371040019² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (306371040013) 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, 13925956354 + ... + 13925956375.

It is an arithmetic number, because the mean of its divisors is an integer number (83555738190).

Almost surely, 2^306371040019 is an apocalyptic number.

306371040019 is a deficient number, since it is larger than the sum of its proper divisors (27851912741).

306371040019 is a wasteful number, since it uses less digits than its factorization.

306371040019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27851912740.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 306371040019 in words is "three hundred six billion, three hundred seventy-one million, forty thousand, nineteen".