31822762016 has 48 divisors (see below), whose sum is σ = 64262079000. Its totient is φ = 15506270208.

The previous prime is 31822762001. The next prime is 31822762039. The reversal of 31822762016 is 61026722813.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30157795600 + 1664966416 = 173660^2 + 40804^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189740 + ... + 315668.

Almost surely, 2^31822762016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31822762016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32131039500).

31822762016 is an abundant number, since it is smaller than the sum of its proper divisors (32439316984).

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

31822762016 is a wasteful number, since it uses less digits than its factorization.

31822762016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126141 (or 126133 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 31822762016 in words is "thirty-one billion, eight hundred twenty-two million, seven hundred sixty-two thousand, sixteen".