31996319948 has 12 divisors (see below), whose sum is σ = 57506899632. Its totient is φ = 15565777200.

The previous prime is 31996319891. The next prime is 31996319959. The reversal of 31996319948 is 84991369913.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108095528 + ... + 108095823.

It is an arithmetic number, because the mean of its divisors is an integer number (4792241636).

Almost surely, 2^31996319948 is an apocalyptic number.

It is an amenable number.

31996319948 is a deficient number, since it is larger than the sum of its proper divisors (25510579684).

31996319948 is a wasteful number, since it uses less digits than its factorization.

31996319948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216191392 (or 216191390 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 62.

The spelling of 31996319948 in words is "thirty-one billion, nine hundred ninety-six million, three hundred nineteen thousand, nine hundred forty-eight".