305124041997 has 6 divisors (see below), whose sum is σ = 440734727342. Its totient is φ = 203416027992.

The previous prime is 305124041953. The next prime is 305124042001. The reversal of 305124041997 is 799140421503.

305124041997 is a `hidden beast` number, since 3 + 0 + 51 + 2 + 404 + 199 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 156668722596 + 148455319401 = 395814^2 + 385299^2 .

It is not a de Polignac number, because 305124041997 - 2¹¹ = 305124039949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305124048997) 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 in 5 ways as a sum of consecutive naturals, for example, 16951335658 + ... + 16951335675.

Almost surely, 2^305124041997 is an apocalyptic number.

It is an amenable number.

305124041997 is a deficient number, since it is larger than the sum of its proper divisors (135610685345).

305124041997 is a wasteful number, since it uses less digits than its factorization.

305124041997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33902671339 (or 33902671336 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 305124041997 in words is "three hundred five billion, one hundred twenty-four million, forty-one thousand, nine hundred ninety-seven".