31818060844 has 12 divisors (see below), whose sum is σ = 55862981944. Its totient is φ = 15857208864.

The previous prime is 31818060821. The next prime is 31818060887. The reversal of 31818060844 is 44806081813.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 31818060844.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12954009 + ... + 12956464.

Almost surely, 2^31818060844 is an apocalyptic number.

It is an amenable number.

31818060844 is a deficient number, since it is larger than the sum of its proper divisors (24044921100).

31818060844 is a wasteful number, since it uses less digits than its factorization.

31818060844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25910784 (or 25910782 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The spelling of 31818060844 in words is "thirty-one billion, eight hundred eighteen million, sixty thousand, eight hundred forty-four".