31940008336 has 10 divisors (see below), whose sum is σ = 61883766182. Its totient is φ = 15970004160.

The previous prime is 31940008327. The next prime is 31940008369. The reversal of 31940008336 is 63380004913.

It can be written as a sum of positive squares in only one way, i.e., 30130016400 + 1809991936 = 173580^2 + 42544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31940008295 and 31940008304.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998125245 + ... + 998125276.

Almost surely, 2^31940008336 is an apocalyptic number.

It is an amenable number.

31940008336 is a deficient number, since it is larger than the sum of its proper divisors (29943757846).

31940008336 is a wasteful number, since it uses less digits than its factorization.

31940008336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996250529 (or 1996250523 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 31940008336 in words is "thirty-one billion, nine hundred forty million, eight thousand, three hundred thirty-six".