31748748716 has 12 divisors (see below), whose sum is σ = 56070038640. Its totient is φ = 15728737680.

The previous prime is 31748748709. The next prime is 31748748719. The reversal of 31748748716 is 61784784713.

It is not an unprimeable number, because it can be changed into a prime (31748748719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36408680 + ... + 36409551.

It is an arithmetic number, because the mean of its divisors is an integer number (4672503220).

Almost surely, 2^31748748716 is an apocalyptic number.

It is an amenable number.

31748748716 is a deficient number, since it is larger than the sum of its proper divisors (24321289924).

31748748716 is a wasteful number, since it uses less digits than its factorization.

31748748716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72818344 (or 72818342 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 56.

The spelling of 31748748716 in words is "thirty-one billion, seven hundred forty-eight million, seven hundred forty-eight thousand, seven hundred sixteen".