31718127448 has 16 divisors (see below), whose sum is σ = 67967416080. Its totient is φ = 13593483168.

The previous prime is 31718127443. The next prime is 31718127473. The reversal of 31718127448 is 84472181713.

It is a junction number, because it is equal to n+sod(n) for n = 31718127398 and 31718127407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31718127443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283197511 + ... + 283197622.

It is an arithmetic number, because the mean of its divisors is an integer number (4247963505).

Almost surely, 2^31718127448 is an apocalyptic number.

It is an amenable number.

31718127448 is an abundant number, since it is smaller than the sum of its proper divisors (36249288632).

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

31718127448 is a wasteful number, since it uses less digits than its factorization.

31718127448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566395146 (or 566395142 counting only the distinct ones).

The product of its digits is 301056, while the sum is 46.

The spelling of 31718127448 in words is "thirty-one billion, seven hundred eighteen million, one hundred twenty-seven thousand, four hundred forty-eight".