31816682983068 has 12 divisors (see below), whose sum is σ = 74238926960520. Its totient is φ = 10605560994352.

The previous prime is 31816682983037. The next prime is 31816682983091. The reversal of 31816682983068 is 86038928661813.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 31816682982993 and 31816682983011.

It is a congruent number.

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, 1325695124283 + ... + 1325695124306.

It is an arithmetic number, because the mean of its divisors is an integer number (6186577246710).

Almost surely, 2^{31816682983068} is an apocalyptic number.

It is an amenable number.

31816682983068 is an abundant number, since it is smaller than the sum of its proper divisors (42422243977452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31816682983068 is a wasteful number, since it uses less digits than its factorization.

31816682983068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651390248596 (or 2651390248594 counting only the distinct ones).

The product of its (nonzero) digits is 143327232, while the sum is 69.

The spelling of 31816682983068 in words is "thirty-one trillion, eight hundred sixteen billion, six hundred eighty-two million, nine hundred eighty-three thousand, sixty-eight".