31682021966 has 16 divisors (see below), whose sum is σ = 54314521056. Its totient is φ = 13577388576.

The previous prime is 31682021923. The next prime is 31682021971. The reversal of 31682021966 is 66912028613.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403520 + ... + 475596.

It is an arithmetic number, because the mean of its divisors is an integer number (3394657566).

Almost surely, 2^31682021966 is an apocalyptic number.

31682021966 is a deficient number, since it is larger than the sum of its proper divisors (22632499090).

31682021966 is a wasteful number, since it uses less digits than its factorization.

31682021966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103483.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 31682021966 in words is "thirty-one billion, six hundred eighty-two million, twenty-one thousand, nine hundred sixty-six".