684024317031 has 48 divisors (see below), whose sum is σ = 1062214433280. Its totient is φ = 388098437760.

The previous prime is 684024317029. The next prime is 684024317083. The reversal of 684024317031 is 130713420486.

It is not a de Polignac number, because 684024317031 - 2¹ = 684024317029 is a prime.

It is a super-2 number, since 2×684024317031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684024317831) 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 47 ways as a sum of consecutive naturals, for example, 403635 + ... + 1237323.

It is an arithmetic number, because the mean of its divisors is an integer number (22129467360).

Almost surely, 2^684024317031 is an apocalyptic number.

684024317031 is a deficient number, since it is larger than the sum of its proper divisors (378190116249).

684024317031 is a wasteful number, since it uses less digits than its factorization.

684024317031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833796 (or 833773 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 684024317031 in words is "six hundred eighty-four billion, twenty-four million, three hundred seventeen thousand, thirty-one".