321031134009 has 24 divisors (see below), whose sum is σ = 464201337600. Its totient is φ = 213794880480.

The previous prime is 321031133959. The next prime is 321031134029. The reversal of 321031134009 is 900431130123.

321031134009 is a `hidden beast` number, since 3 + 2 + 1 + 0 + 311 + 340 + 0 + 9 = 666.

It is not a de Polignac number, because 321031134009 - 2⁹ = 321031133497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321031134029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46048894 + ... + 46055864.

It is an arithmetic number, because the mean of its divisors is an integer number (19341722400).

Almost surely, 2^321031134009 is an apocalyptic number.

It is an amenable number.

321031134009 is a deficient number, since it is larger than the sum of its proper divisors (143170203591).

321031134009 is a wasteful number, since it uses less digits than its factorization.

321031134009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11645 (or 11642 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 321031134009 in words is "three hundred twenty-one billion, thirty-one million, one hundred thirty-four thousand, nine".