31652016 has 80 divisors (see below), whose sum is σ = 90018048. Its totient is φ = 9504000.

The previous prime is 31651993. The next prime is 31652017. The reversal of 31652016 is 61025613.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (31652017) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 79530 + ... + 79926.

Almost surely, 2^31652016 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 31652016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45009024).

31652016 is an abundant number, since it is smaller than the sum of its proper divisors (58366032).

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

31652016 is a wasteful number, since it uses less digits than its factorization.

31652016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 31652016 is about 5626.0124422187. The cubic root of 31652016 is about 316.3252006537.

Adding to 31652016 its reverse (61025613), we get a palindrome (92677629).

The spelling of 31652016 in words is "thirty-one million, six hundred fifty-two thousand, sixteen".