31818042675 has 96 divisors (see below), whose sum is σ = 61618675200. Its totient is φ = 16052618880.

The previous prime is 31818042643. The next prime is 31818042733. The reversal of 31818042675 is 57624081813.

31818042675 is a `hidden beast` number, since 3 + 1 + 81 + 80 + 426 + 75 = 666.

It is not a de Polignac number, because 31818042675 - 2⁵ = 31818042643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 31818042675.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11374377 + ... + 11377173.

It is an arithmetic number, because the mean of its divisors is an integer number (641861200).

Almost surely, 2^31818042675 is an apocalyptic number.

31818042675 is a deficient number, since it is larger than the sum of its proper divisors (29800632525).

31818042675 is a wasteful number, since it uses less digits than its factorization.

31818042675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722 (or 3711 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 31818042675 in words is "thirty-one billion, eight hundred eighteen million, forty-two thousand, six hundred seventy-five".