31818073066 has 64 divisors (see below), whose sum is σ = 53648179200. Its totient is φ = 14058737856.

The previous prime is 31818073033. The next prime is 31818073087. The reversal of 31818073066 is 66037081813.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16076865 + ... + 16078843.

It is an arithmetic number, because the mean of its divisors is an integer number (838252800).

Almost surely, 2^31818073066 is an apocalyptic number.

31818073066 is a deficient number, since it is larger than the sum of its proper divisors (21830106134).

31818073066 is a wasteful number, since it uses less digits than its factorization.

31818073066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 31818073066 in words is "thirty-one billion, eight hundred eighteen million, seventy-three thousand, sixty-six".