31330644005 has 8 divisors (see below), whose sum is σ = 37719239712. Its totient is φ = 24982870608.

The previous prime is 31330643989. The next prime is 31330644011. The reversal of 31330644005 is 50044603313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31330644005 - 2⁴ = 31330643989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10203887 + ... + 10206956.

It is an arithmetic number, because the mean of its divisors is an integer number (4714904964).

Almost surely, 2^31330644005 is an apocalyptic number.

It is an amenable number.

31330644005 is a deficient number, since it is larger than the sum of its proper divisors (6388595707).

31330644005 is a wasteful number, since it uses less digits than its factorization.

31330644005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20411155.

The product of its (nonzero) digits is 12960, while the sum is 29.

The spelling of 31330644005 in words is "thirty-one billion, three hundred thirty million, six hundred forty-four thousand, five".