31606134444 has 48 divisors (see below), whose sum is σ = 84585123840. Its totient is φ = 10195526160.

The previous prime is 31606134419. The next prime is 31606134449. The reversal of 31606134444 is 44443160613.

31606134444 is a `hidden beast` number, since 3 + 1 + 606 + 1 + 3 + 4 + 4 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 31606134399 and 31606134408.

It is not an unprimeable number, because it can be changed into a prime (31606134449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4716804 + ... + 4723499.

It is an arithmetic number, because the mean of its divisors is an integer number (1762190080).

Almost surely, 2^31606134444 is an apocalyptic number.

It is an amenable number.

31606134444 is an abundant number, since it is smaller than the sum of its proper divisors (52978989396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31606134444 is a wasteful number, since it uses less digits than its factorization.

31606134444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9440347 (or 9440339 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 31606134444 in words is "thirty-one billion, six hundred six million, one hundred thirty-four thousand, four hundred forty-four".