31025885056 has 16 divisors (see below), whose sum is σ = 61809380640. Its totient is φ = 15512942464.

The previous prime is 31025885053. The next prime is 31025885057. The reversal of 31025885056 is 65058852013.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31025885053) by changing a digit.

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 as a sum of consecutive naturals, namely, 121194736 + ... + 121194991.

It is an arithmetic number, because the mean of its divisors is an integer number (3863086290).

Almost surely, 2^31025885056 is an apocalyptic number.

It is an amenable number.

31025885056 is a deficient number, since it is larger than the sum of its proper divisors (30783495584).

31025885056 is an equidigital number, since it uses as much as digits as its factorization.

31025885056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242389741 (or 242389729 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 31025885056 in words is "thirty-one billion, twenty-five million, eight hundred eighty-five thousand, fifty-six".