31676534145 has 96 divisors (see below), whose sum is σ = 58779452160. Its totient is φ = 15745466880.

The previous prime is 31676534137. The next prime is 31676534167. The reversal of 31676534145 is 54143567613.

31676534145 is a `hidden beast` number, since 3 + 1 + 6 + 76 + 534 + 1 + 45 = 666.

It is not a de Polignac number, because 31676534145 - 2³ = 31676534137 is a prime.

It is a super-3 number, since 3×31676534145³ (a number of 32 digits) contains 333 as substring.

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 31676534145.

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 95 ways as a sum of consecutive naturals, for example, 6879414 + ... + 6884016.

It is an arithmetic number, because the mean of its divisors is an integer number (612285960).

Almost surely, 2^31676534145 is an apocalyptic number.

It is an amenable number.

31676534145 is a deficient number, since it is larger than the sum of its proper divisors (27102918015).

31676534145 is a wasteful number, since it uses less digits than its factorization.

31676534145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807 (or 4804 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The spelling of 31676534145 in words is "thirty-one billion, six hundred seventy-six million, five hundred thirty-four thousand, one hundred forty-five".