30317124321 has 24 divisors (see below), whose sum is σ = 48445300800. Its totient is φ = 18115221600.

The previous prime is 30317124283. The next prime is 30317124347. The reversal of 30317124321 is 12342171303.

It is a happy number.

30317124321 is a `hidden beast` number, since 3 + 0 + 317 + 1 + 24 + 321 = 666.

It is not a de Polignac number, because 30317124321 - 2¹⁷ = 30316993249 is a prime.

It is a super-2 number, since 2×30317124321² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30317124821) 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 23 ways as a sum of consecutive naturals, for example, 2149546 + ... + 2163603.

It is an arithmetic number, because the mean of its divisors is an integer number (2018554200).

Almost surely, 2^30317124321 is an apocalyptic number.

It is an amenable number.

30317124321 is a deficient number, since it is larger than the sum of its proper divisors (18128176479).

30317124321 is a wasteful number, since it uses less digits than its factorization.

30317124321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313237 (or 4313234 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

Adding to 30317124321 its reverse (12342171303), we get a palindrome (42659295624).

The spelling of 30317124321 in words is "thirty billion, three hundred seventeen million, one hundred twenty-four thousand, three hundred twenty-one".