31608474005 has 16 divisors (see below), whose sum is σ = 40581033600. Its totient is φ = 23563172160.

The previous prime is 31608473989. The next prime is 31608474019. The reversal of 31608474005 is 50047480613.

It is not a de Polignac number, because 31608474005 - 2⁴ = 31608473989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31608474005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2721425 + ... + 2733014.

It is an arithmetic number, because the mean of its divisors is an integer number (2536314600).

Almost surely, 2^31608474005 is an apocalyptic number.

It is an amenable number.

31608474005 is a deficient number, since it is larger than the sum of its proper divisors (8972559595).

31608474005 is a wasteful number, since it uses less digits than its factorization.

31608474005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5454524.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 31608474005 in words is "thirty-one billion, six hundred eight million, four hundred seventy-four thousand, five".