31652320116 has 24 divisors (see below), whose sum is σ = 74268018720. Its totient is φ = 10491829792.

The previous prime is 31652320103. The next prime is 31652320211. The reversal of 31652320116 is 61102325613.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7365711 + ... + 7370006.

It is an arithmetic number, because the mean of its divisors is an integer number (3094500780).

Almost surely, 2^31652320116 is an apocalyptic number.

It is an amenable number.

31652320116 is an abundant number, since it is smaller than the sum of its proper divisors (42615698604).

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

31652320116 is a wasteful number, since it uses less digits than its factorization.

31652320116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14735903 (or 14735901 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 31652320116 its reverse (61102325613), we get a palindrome (92754645729).

The spelling of 31652320116 in words is "thirty-one billion, six hundred fifty-two million, three hundred twenty thousand, one hundred sixteen".