31447727116 has 24 divisors (see below), whose sum is σ = 60271399440. Its totient is φ = 14268328512.

The previous prime is 31447727071. The next prime is 31447727123. The reversal of 31447727116 is 61172774413.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5122051 + ... + 5128186.

It is an arithmetic number, because the mean of its divisors is an integer number (2511308310).

Almost surely, 2^31447727116 is an apocalyptic number.

It is an amenable number.

31447727116 is a deficient number, since it is larger than the sum of its proper divisors (28823672324).

31447727116 is a wasteful number, since it uses less digits than its factorization.

31447727116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250313 (or 10250311 counting only the distinct ones).

The product of its digits is 197568, while the sum is 43.

The spelling of 31447727116 in words is "thirty-one billion, four hundred forty-seven million, seven hundred twenty-seven thousand, one hundred sixteen".